The inflorescence
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The document summarizes key aspects of plant inflorescence and flower structure. It describes that the arrangement of flowers on an axis is called an inflorescence. There are two main types of inflorescence - racemose, where the main axis continues to grow, and cymose, where the main axis terminates in a flower. A flower contains four whorls - calyx, corolla, androecium, and gynoecium. The androecium and gynoecium are reproductive organs, while the calyx and corolla are accessory organs. Flowers can be bisexual if they contain both male and female organs, or unisexual if they
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Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches.
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The presentation is about the cluster or bunch of flowers arranged in the stem and the further types of it which will help you for enhancing knowledge for horticulture or plant physiology sector.
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This document defines and describes different types of inflorescences (arrangements of flowers on a floral axis). It discusses solitary flowers, simple and compound inflorescences, racemose and cymose arrangements, and specific types including racemes, corymbs, umbels, spikes, catkins, heads, and more. Diagrams and examples are provided to illustrate the different inflorescence structures found across plant species.
Inflorescences & Its Types
This document defines and describes different types of inflorescences, which is the arrangement of flowers on the floral axis of a plant. There are two main types: racemose inflorescences where the main axis continues to grow indefinitely until the last flower forms, and cymose inflorescences where the main axis ends in a flower. Some examples of racemose inflorescences discussed are typical racemes, spikes, catkins, corymbs, umbels, panicles, and capitula. Cymose inflorescences include uniparous, biparous, and multiparous cymes. Specific plants are given as examples for each type of inflorescence
Morphoanatomy Of The Flower
The document describes the morphological parts of flowers including the sepals, petals, stamens, carpels, and their arrangements. It also discusses different types of inflorescences such as spikes, umbels, racemes, heads, and panicles. Examples are provided for each floral part and inflorescence structure.
Inflorescence
This document describes various types of inflorescences including racemose, cymose, mixed, and special types. Racemose inflorescences include racemes, panicles, spikes, compound spikes, catkins, corymbs, and umbels. Cymose inflorescences include solitary cymes, simple cymes, monochasial cymes, dichasial cymes, and polychasial cymes. Mixed inflorescences include thyrsus and fascicles. Special inflorescences include verticillasters, hypanthodium, and cyathium. Each type is defined and an example is provided.
Flowers
keep this ppt as secondary source , this ppt is used for lesson morphological of flowering plants science grade 11th , a small part from that lesson , concentrate on aestivation as well as divisions based on ovary
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An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches.
Inflorescence Types,cymose and racemose types,examples with Diagrams
Different types of Inflorescence, Cymose and Racemose Inflorescence, compound types, Compound Inflorescence , Capitulum inflorescence , Spikelet Inflorescence , Spike inflorescence
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The presentation is about the cluster or bunch of flowers arranged in the stem and the further types of it which will help you for enhancing knowledge for horticulture or plant physiology sector.
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This document defines and describes different types of inflorescences (arrangements of flowers on a floral axis). It discusses solitary flowers, simple and compound inflorescences, racemose and cymose arrangements, and specific types including racemes, corymbs, umbels, spikes, catkins, heads, and more. Diagrams and examples are provided to illustrate the different inflorescence structures found across plant species.
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This document defines and describes different types of inflorescences, which is the arrangement of flowers on the floral axis of a plant. There are two main types: racemose inflorescences where the main axis continues to grow indefinitely until the last flower forms, and cymose inflorescences where the main axis ends in a flower. Some examples of racemose inflorescences discussed are typical racemes, spikes, catkins, corymbs, umbels, panicles, and capitula. Cymose inflorescences include uniparous, biparous, and multiparous cymes. Specific plants are given as examples for each type of inflorescence
Morphoanatomy Of The Flower
The document describes the morphological parts of flowers including the sepals, petals, stamens, carpels, and their arrangements. It also discusses different types of inflorescences such as spikes, umbels, racemes, heads, and panicles. Examples are provided for each floral part and inflorescence structure.
Inflorescence
This document describes various types of inflorescences including racemose, cymose, mixed, and special types. Racemose inflorescences include racemes, panicles, spikes, compound spikes, catkins, corymbs, and umbels. Cymose inflorescences include solitary cymes, simple cymes, monochasial cymes, dichasial cymes, and polychasial cymes. Mixed inflorescences include thyrsus and fascicles. Special inflorescences include verticillasters, hypanthodium, and cyathium. Each type is defined and an example is provided.
Flowers
keep this ppt as secondary source , this ppt is used for lesson morphological of flowering plants science grade 11th , a small part from that lesson , concentrate on aestivation as well as divisions based on ovary
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The document defines and describes different types of inflorescences, which is the arrangement of flowers on a plant. There are three main types: racemose, with indefinite growth and youngest flowers at the center; cymose, with definite growth and oldest flowers at the center; and mixed, which has characteristics of both racemose and cymose types. Specific inflorescences like racemes, corymbs, umbels and others are further explained in terms of their floral structure and growth patterns.
Asteraceae
This document provides information about the Asteraceae family of flowering plants. It discusses the classification, distribution, morphological characteristics, types of flowers (disc and ray florets), and some economically important species of the family. Key points include that Asteraceae is one of the largest families, comprising around 950 genera and 20,000 species worldwide. It describes the distinguishing features of the family such as the composite flower head (capitulum) made up of disc and ray florets. Common genera mentioned are Helianthus, Eclipta, Tridax, Tagetes and Calendula.
Different types of inflorescence
This document presents information on different types of inflorescences. It discusses racemose inflorescences, where the main axis grows continually and flowers form laterally in an acropetal succession. Some examples of racemose inflorescences include racemes, spikes, spikelets, catkins, spadices, corymbs, umbels, and capitula. It also discusses cymose inflorescences, where the main axis growth is checked by the formation of the terminal flower, leading to younger flowers developing on lateral branches. Examples of cymose inflorescences include uniparous, biparous, and multiparous types. The document also briefly describes some
The Flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants. The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs.
In addition to facilitating the reproduction of flowering plants, flowers have long been admired and used by humans to bring beauty to their environment, and also as objects of romance, ritual, religion, medicine and as a source of food.
In this lesson you will learn about :
1) Flower - Definition & Functions
2) Floral Symmetry
3) Pedicellate & Sessile Flowers
4) Insertion of Floral Leaves on the Thalamus
5) Parts of a Flower
6) Some Important Terms related to Flowers
7) Floral Whorls - Calyx, Corolla, Androecium and Gynoecium
8) Placentation
9) Inflorescenece
I hope this document is helpful to you. Please share the document with your friends if you think this will benefit them. Get ready for the next lesson. Thanks.
Flower Morphology
Flower Morphology
By:
Muhammad Iqbal Khan
SS Biology
Email ID:mikhan1313@yahoo.com
0923135448175
Introduction of flower
This document defines parts of a flower and describes their structure and arrangement. It contains:
1. Definitions of key floral parts including sepals, petals, stamens, carpels, and their arrangement on the receptacle.
2. Descriptions of different types of flowers based on completeness of parts, symmetry, and presence of sexual organs.
3. A scheme for describing flowers that includes origin, condition, size, color, odor, taste, and details of the calyx, corolla, androecium, and gynoecium.
Leaves modifications.pptx
Plants are an essential part of the ecosystem. Every life on the earth is directly or indirectly dependent on plants. Among the different parts of a plant, the leaf is the most essential.
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed.
The leaf
Leaves are the main photosynthetic organs of plants. They come in many shapes and sizes. A typical dicot leaf has three parts - the leaf base, petiole, and lamina. The leaf base attaches to the stem and may have stipules. The petiole is the stalk connecting the lamina. The lamina contains veins and performs photosynthesis. Leaves can be simple or compound. Compound leaves have divided lamina and leaflets on a rachis. Monocot leaves have parallel venation and a sheathing leaf base. Leaf shape depends on the lamina, which can be linear, ovate, orbicular and more.
Morphology of flower
This document summarizes the morphology and structure of flowers in angiosperm plants. It describes the basic parts of a flower including the calyx, corolla, androecium, and gynoecium. It also discusses flower symmetry, aestivation, placentation, and provides examples of different inflorescence types. As an example, it thoroughly outlines the characteristics of flowers in the Solanaceae family, which includes important crops like tomato, potato, and chili peppers.
Flower intr.
The document discusses flowers and their morphology. It defines flowers and their essential parts including the calyx, corolla, androecium, and gynoecium. It describes how flowers can be classified based on their arrangement of floral parts, number of whorls, symmetry, presence of sexual organs, and more. The summary provides high-level information about the topic and structure of the document in 3 sentences:
The document defines flowers and their morphology, discussing their essential parts and how they can be classified based on characteristics like arrangement of parts, number of whorls, and presence of sexual organs. It provides details on the calyx, corolla, androecium, gynoecium
Morphology of flowering plants part2
Morphology of flowering plants part 2 for Std 11th NEET
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The document discusses different types of flower structures including:
1. Corolla symmetry - sympetalous (connate petals) or polypetalous (separate petals)
2. Actinomorphic (radial symmetry) or zygomorphic (bilateral symmetry) flowers
3. Various perianth shapes - rotate, bilabiate, stellate, urceolate, campanulate, tubular, funnelform, salverform, geniculate, papilionaceous, spurred, ligulate or ray
4. Placentation types - marginal, axile, parietal, free-central, basal, apical
Examples are provided for many of the structures.
Floral formulas and diagrams
Floral formulas and diagrams are used to concisely summarize key characteristics of flower structures. Floral formulas use symbols to describe floral symmetry, number of sepals, petals, stamens and carpels. Additional symbols indicate features like connation, adnation, ovary position and more. Floral diagrams are cross-sectional illustrations that similarly show symmetry and part relationships, but cannot show ovary position like formulas can. Together, formulas and diagrams provide useful shorthand for comparing angiosperm flower characteristics.
Apocynaceae family
1. The document discusses the Apocynaceae family of flowering plants, which includes about 400 genera and 4,555 species of trees, shrubs, and herbs distributed primarily in tropical and subtropical areas.
2. Most members of the family are poisonous but also used medicinally due to the presence of cardiac glycosides and alkaloids. Some are cultivated as ornamentals for their attractive flowers and foliage.
3. Important genera include Nerium (oleander), Catharanthus (periwinkle), Rauwolfia, Thevetia, Plumeria, Tabernaemontana, and Carissa. Several species have economic and medicinal importance.
Inflorescence
This document defines inflorescence as the arrangement of flowers on a plant and describes the two main types: simple and compound. Simple inflorescences are further divided into racemose and cymose types. Racemose inflorescences have flowers arranged along a main stem with lower flowers developing first. Common racemose inflorescences include racemes, spikes, spikelets, catkins, spadices, corymbs, umbels, capitula, and hypanthodia. The document provides examples like sunflowers for capitula and banyan trees for hypanthodia.
Family Malvaceae
Malvaceae, or the mallows, is a family of flowering plants estimated to contain 244 genera with 4225 known species. Well-known members of economic importance include okra, cotton, cacao and durian. There are also some genera containing familiar ornamentals, such as Alcea, Malva and Lavatera, as well as Tilia
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The document discusses the plant family Rubiaceae, otherwise known as the coffee family. It specifically focuses on Cinchona pubescens, commonly known as red cinchona. Some key details are:
- Cinchona pubescens is a tall tree native to Central and South America that grows in tropical forests between 300-3900 meters in altitude.
- Its bark contains quinine and quinidine, which are used to treat malaria and cardiac arrhythmias, respectively. An infusion of the bark also has other medicinal uses.
- The leaves are opposite and ovate with an entire margin. Pink flowers grow in panicle inflorescences and develop into capsular fruits containing
Asteraceae Family
The document summarizes key information about the Asteraceae (Compositae) family. It describes their classification as dicots with composite flower heads. The flowers can be tubular disc florets in the center and ligulate ray florets around the edge. Their fruits are cypselas and they have evolved specialized features like the pappus for wind dispersal. The family is considered advanced due to traits like the composite inflorescence that aid in cross-pollination and their worldwide success with many species.
Morphology of Inflorescence.pptx
1. Inflorescences describe the arrangement of flowers on the floral axis. There are two main types: racemose and cymose.
2. Racemose inflorescences have a main axis that grows indefinitely, producing lateral flowers. Common racemose types include racemes, panicles, spikes, spikelets, catkins, spadices, corymbs, umbels, and compound umbels.
3. Cymose inflorescences have a main axis that terminates in a flower, with older flowers at the tip and younger developing towards the base. Common cymose types include helicoid, scorpioid, and dichasial/bipar
Morphology of Flowers.pptx
This document defines and describes the key parts and structures of flowers. It notes that flowers are modified reproductive shoots. The main parts of a flower include sepals, petals, stamens, and carpels. Flowers can be complete or incomplete, bisexual or unisexual, and found on monoecious, dioecious, or polygamous plants. The arrangement and insertion of floral parts also varies between hypogynous, perigynous, and epigynous conditions. The calyx is composed of sepals while the corolla is made of petals, which can be arranged in various polypetalous or gamopetalous forms.
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Inflorescence
The document defines and describes different types of inflorescences, which is the arrangement of flowers on a plant. There are three main types: racemose, with indefinite growth and youngest flowers at the center; cymose, with definite growth and oldest flowers at the center; and mixed, which has characteristics of both racemose and cymose types. Specific inflorescences like racemes, corymbs, umbels and others are further explained in terms of their floral structure and growth patterns.
Asteraceae
This document provides information about the Asteraceae family of flowering plants. It discusses the classification, distribution, morphological characteristics, types of flowers (disc and ray florets), and some economically important species of the family. Key points include that Asteraceae is one of the largest families, comprising around 950 genera and 20,000 species worldwide. It describes the distinguishing features of the family such as the composite flower head (capitulum) made up of disc and ray florets. Common genera mentioned are Helianthus, Eclipta, Tridax, Tagetes and Calendula.
Different types of inflorescence
This document presents information on different types of inflorescences. It discusses racemose inflorescences, where the main axis grows continually and flowers form laterally in an acropetal succession. Some examples of racemose inflorescences include racemes, spikes, spikelets, catkins, spadices, corymbs, umbels, and capitula. It also discusses cymose inflorescences, where the main axis growth is checked by the formation of the terminal flower, leading to younger flowers developing on lateral branches. Examples of cymose inflorescences include uniparous, biparous, and multiparous types. The document also briefly describes some
The Flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants. The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs.
In addition to facilitating the reproduction of flowering plants, flowers have long been admired and used by humans to bring beauty to their environment, and also as objects of romance, ritual, religion, medicine and as a source of food.
In this lesson you will learn about :
1) Flower - Definition & Functions
2) Floral Symmetry
3) Pedicellate & Sessile Flowers
4) Insertion of Floral Leaves on the Thalamus
5) Parts of a Flower
6) Some Important Terms related to Flowers
7) Floral Whorls - Calyx, Corolla, Androecium and Gynoecium
8) Placentation
9) Inflorescenece
I hope this document is helpful to you. Please share the document with your friends if you think this will benefit them. Get ready for the next lesson. Thanks.
Flower Morphology
Flower Morphology
By:
Muhammad Iqbal Khan
SS Biology
Email ID:mikhan1313@yahoo.com
0923135448175
Introduction of flower
This document defines parts of a flower and describes their structure and arrangement. It contains:
1. Definitions of key floral parts including sepals, petals, stamens, carpels, and their arrangement on the receptacle.
2. Descriptions of different types of flowers based on completeness of parts, symmetry, and presence of sexual organs.
3. A scheme for describing flowers that includes origin, condition, size, color, odor, taste, and details of the calyx, corolla, androecium, and gynoecium.
Leaves modifications.pptx
Plants are an essential part of the ecosystem. Every life on the earth is directly or indirectly dependent on plants. Among the different parts of a plant, the leaf is the most essential.
Inflorescence
An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed.
The leaf
Leaves are the main photosynthetic organs of plants. They come in many shapes and sizes. A typical dicot leaf has three parts - the leaf base, petiole, and lamina. The leaf base attaches to the stem and may have stipules. The petiole is the stalk connecting the lamina. The lamina contains veins and performs photosynthesis. Leaves can be simple or compound. Compound leaves have divided lamina and leaflets on a rachis. Monocot leaves have parallel venation and a sheathing leaf base. Leaf shape depends on the lamina, which can be linear, ovate, orbicular and more.
Morphology of flower
This document summarizes the morphology and structure of flowers in angiosperm plants. It describes the basic parts of a flower including the calyx, corolla, androecium, and gynoecium. It also discusses flower symmetry, aestivation, placentation, and provides examples of different inflorescence types. As an example, it thoroughly outlines the characteristics of flowers in the Solanaceae family, which includes important crops like tomato, potato, and chili peppers.
Flower intr.
The document discusses flowers and their morphology. It defines flowers and their essential parts including the calyx, corolla, androecium, and gynoecium. It describes how flowers can be classified based on their arrangement of floral parts, number of whorls, symmetry, presence of sexual organs, and more. The summary provides high-level information about the topic and structure of the document in 3 sentences:
The document defines flowers and their morphology, discussing their essential parts and how they can be classified based on characteristics like arrangement of parts, number of whorls, and presence of sexual organs. It provides details on the calyx, corolla, androecium, gynoecium
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The document discusses different types of flower structures including:
1. Corolla symmetry - sympetalous (connate petals) or polypetalous (separate petals)
2. Actinomorphic (radial symmetry) or zygomorphic (bilateral symmetry) flowers
3. Various perianth shapes - rotate, bilabiate, stellate, urceolate, campanulate, tubular, funnelform, salverform, geniculate, papilionaceous, spurred, ligulate or ray
4. Placentation types - marginal, axile, parietal, free-central, basal, apical
Examples are provided for many of the structures.
Floral formulas and diagrams
Floral formulas and diagrams are used to concisely summarize key characteristics of flower structures. Floral formulas use symbols to describe floral symmetry, number of sepals, petals, stamens and carpels. Additional symbols indicate features like connation, adnation, ovary position and more. Floral diagrams are cross-sectional illustrations that similarly show symmetry and part relationships, but cannot show ovary position like formulas can. Together, formulas and diagrams provide useful shorthand for comparing angiosperm flower characteristics.
Apocynaceae family
1. The document discusses the Apocynaceae family of flowering plants, which includes about 400 genera and 4,555 species of trees, shrubs, and herbs distributed primarily in tropical and subtropical areas.
2. Most members of the family are poisonous but also used medicinally due to the presence of cardiac glycosides and alkaloids. Some are cultivated as ornamentals for their attractive flowers and foliage.
3. Important genera include Nerium (oleander), Catharanthus (periwinkle), Rauwolfia, Thevetia, Plumeria, Tabernaemontana, and Carissa. Several species have economic and medicinal importance.
Inflorescence
This document defines inflorescence as the arrangement of flowers on a plant and describes the two main types: simple and compound. Simple inflorescences are further divided into racemose and cymose types. Racemose inflorescences have flowers arranged along a main stem with lower flowers developing first. Common racemose inflorescences include racemes, spikes, spikelets, catkins, spadices, corymbs, umbels, capitula, and hypanthodia. The document provides examples like sunflowers for capitula and banyan trees for hypanthodia.
Family Malvaceae
Malvaceae, or the mallows, is a family of flowering plants estimated to contain 244 genera with 4225 known species. Well-known members of economic importance include okra, cotton, cacao and durian. There are also some genera containing familiar ornamentals, such as Alcea, Malva and Lavatera, as well as Tilia
Lamiaceae, asteraceae, moraceae and apocynaceae
Report on Family Lamiaceae, Asteraceae, Moraceae and Apocynaceaea; its economic importance, distribution and phylogeny
Rubiaceae
The document discusses the plant family Rubiaceae, otherwise known as the coffee family. It specifically focuses on Cinchona pubescens, commonly known as red cinchona. Some key details are:
- Cinchona pubescens is a tall tree native to Central and South America that grows in tropical forests between 300-3900 meters in altitude.
- Its bark contains quinine and quinidine, which are used to treat malaria and cardiac arrhythmias, respectively. An infusion of the bark also has other medicinal uses.
- The leaves are opposite and ovate with an entire margin. Pink flowers grow in panicle inflorescences and develop into capsular fruits containing
Asteraceae Family
The document summarizes key information about the Asteraceae (Compositae) family. It describes their classification as dicots with composite flower heads. The flowers can be tubular disc florets in the center and ligulate ray florets around the edge. Their fruits are cypselas and they have evolved specialized features like the pappus for wind dispersal. The family is considered advanced due to traits like the composite inflorescence that aid in cross-pollination and their worldwide success with many species.
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angiosperms
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parts of flowering plant.
What are angiosperms? Angiosperms are plants that produce flowers and bear their seeds in fruits. They are the largest and most diverse group within the kingdom Plantae, with about 300,000 species. Angiosperms represent approximately 80 percent of all known living green plant.
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Floral parts (terms & illustrations)
1. Peduncle / pedicel - floral stalk
2. Receptacle - the modified shoot or floral axis
3. Sepals / calyx - the outer most whorl; collectively all sepals are called the calyx. Sepals are typically green and protect the inner floral parts in buds
4. Petals / corolla -the next whorl, collectively all petals are called the corolla. Petals are typically brightly colored and and assist in attracting pollinators. The sepals and petal combined are called the perianth. If the perianth parts cannot be differentiated into sepals and petals, that is, that look so much alike, then they are called tepals.
5. Stamens (androecium) - the next whorls, each stamen has two parts: filament and anthers. Androecium or "male house", the name for all the stamens. The anthers house the microsporangia which undergo meiosis and produce pollen grains.
6. Nectaries - are often associated with flowers, they are found at the receptacle and offer a reward to animal pollinators.
7. Carpels (gynoecium) - The innermost and final whorl is composed of all the carpels and is the site for pollination and fertilization. Collectively all carpels are called the gynoecium: "female house". Carpel has three parts: stigma which receives pollen, the style which is the a slender region specialized for pollen tube growth and the ovary which is an enlarged basal portion and surrounds and protects the ovules. The structure(s) in the center of the flower are often referred to as the pistil(s). Pistil is a layman's term for "flask-shape" structure, so anything with that structure is called a pistil. This is one of the more confusing parts of the flower; more on this below.
Morphology of Flowering Plants, Important Notes-ExamPraxis
Morphology of Flowering Plants-Study about the NCERT solutions and class 11 notes of flowering plants. Get free access of short notes and MCQs of morphology of flowering plants
Morphology of inflorescence
The document discusses the morphology and types of plant inflorescences. There are two main types of inflorescences - racemose and cymose. Racemose inflorescences have a main axis that continues growth producing flowers laterally in acropetal succession. Examples include racemes, spikes, and panicles. Cymose inflorescences have a main axis that terminates in a flower and produces lateral flowers, examples include uniparous and biparous cymes. Special inflorescences like cyathium and hypanthodium are also described.
FLOWER STRUCTURE.docx
Flowers are the reproductive parts of plants,which are responsible for the production of gametes or sex cells ((non flowering plants).
A flower is modified shoot in which the leaves are modified into floral parts. A blossom propagates a branch from a bud in the axil of a little leaf-like structure called the bract. A bract is commonly green due to presence of chlorophyll and is a very small structure (non flowering plants).
FLOWER STRUCTURE.docx
Flowers are the reproductive parts of plants,which are responsible for the production of gametes or sex cells ((non flowering plants).
A flower is modified shoot in which the leaves are modified into floral parts. A blossom propagates a branch from a bud in the axil of a little leaf-like structure called the bract. A bract is commonly green due to presence of chlorophyll and is a very small structure (non flowering plants).
Inflorescence and its types
An inflorescence is the arrangement of flowers on a floral axis. There are two main types of inflorescences: racemose and cymose. Racemose inflorescences have indefinite growth and acropetal flower arrangement with younger flowers at the tip and older at the base. Cymose inflorescences have definite growth and a terminal flower, with basipetal arrangement and older flowers in the middle and younger at the periphery. Key differences between the two types include growth pattern, flower arrangement, and whether grouping of flowers is more common.
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Morphology of Flowering Plants, Important Notes-ExamPraxis
Morphology of Flowering Plants, Important Notes-ExamPraxis
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- 2. 5.4THE INFLORESCENCE The arrangement of flowers on floral axis is called inflorescence. A flower is a modified shoot wherein shoot apical meristem changes to floral meristem. Two types of inflorescence are there depending on whether apex gets converted into flower or continues to grow:- Racemose:-main axis continues to grow Cymose:-main axis terminates in flower
- 4. 5.5THE FLOWER Flower has 4 different type of whorls arranged successfully on stalk called thalamus or receptacle. 4 whorls are calyx, corolla, androecium and gynoecium. Calyx and corolla –accessory organ Androecium and gynoecium-reproductive organ. When flower has both androecium+gynoecium it is bisexual. A flower having a stamen or a carpal is unisexual.
- 5. 5.5SYMMETRY OF FLOWER Flower may be actinomorphic (radial symmetry)or zygomorphic(bilateral symmetry). When a flower can be divided into two equal halves in radial plane-actinomorphic e.g. mustard. When a flower can be divide into two equal in vertical plane-zygomorphic e.g,pea,gulmohar,bean If it cannot be divided into two equal halves by any plane-asymmetric .eg canna
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