Magnoliaceae.pptx
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This document describes the Magnoliaceae family of flowering plants. It notes that the family includes 10 genera and around 100 species of trees and shrubs found primarily in eastern Asia, eastern North America, and parts of South America and India. The plants have alternate, simple leaves with large stipules. Their large, fragrant flowers are actinomorphic and bisexual or unisexual, with numerous stamens and carpels arranged spirally on an elongated axis. The fruit is an aggregate of berries or follicles. Some species provide valuable timber and ornamentals, while others have medicinal uses.
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This document discusses the taxonomy of plants in the family Cucurbitaceae. It begins by defining taxonomy and noting that Carl Linnaeus is considered the father of taxonomy for developing the Linnaean system of classification. It then provides details on the systematic position, morphology, reproduction, and uses of plants in the Cucurbitaceae family, with a focus on the genus Cucurbita and species C. maxima. Key details include that Cucurbitaceae includes over 850 species of tendril-bearing climbing herbs cultivated for vegetables like squash and cucumber.
apocynaceaefamily-200928073659.pdf
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. Many members of the Apocynaceae family are poisonous but also used medicinally due to the presence of cardiac glycosides and alkaloids. Some species are cultivated as ornamentals for their attractive flowers and foliage.
3. The document provides details on the morphology, anatomy, and economic importance of plants in the Apocynaceae family such as Nerium indicum, Rauwolfia serpentina, and Thevetia peruviana.
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.
Lamiaceae & nyctaginaceae
The document describes the systematic position and characteristics of the plant families Lamiaceae and Nyctaginaceae. It provides the division, subclass, order, and other taxonomic ranks. Key characteristics include opposite leaves, bilabiate flowers, four stamens, and schizocarpic fruits. Example genera discussed are Ocimum, Salvia, and Mirabilis. Some species have medicinal uses or are grown as ornamentals.
Combretaceae
The Combretaceae family includes about 530 species of trees, shrubs, and lianas within 10 genera found in subtropical and tropical regions. Some members produce useful timber. The family is characterized by pentamerous flowers with 4-5 sepals and stamens in two series of 4, 5, 8 or 10. The fruit is a leathery, one-seeded drupe. Combretum indicum is a creeping sub-scandent shrub cultivated for its sweet-scented flowers. It has opposite leaves and pentamerous flowers with 10 free stamens in two whorls. The Combretaceae have economic importance as a food source, medicine, gum, timber,
umbelliferae
The document discusses the Umbelliferae family of plants, now called Apiaceae. It provides details on the classification, morphology, pollination, seed dispersal, and key characteristics of members of this family. Specific information is given about Coriander and its uses as a culinary herb and in traditional medicine to treat various conditions like arthritis and indigestion. Conium, another plant in the family, is described as having antispasmodic and sedative properties and being used to treat conditions like cancerous ulcers and strychnine poisoning.
Characters of acanthaceae
The document summarizes the characteristics of plants in the Acanthaceae family. It describes their vegetative parts such as leaves and stems, floral parts including sepals, petals, stamens and carpels. It notes that the family includes 250 genera and 2500 species distributed chiefly in tropics and subtropics. It provides examples of their economic importance as medicinal plants and ornamentals.
Rutaceae
This document provides information about the plant family Rutaceae (citrus family). It discusses the general characteristics of the family including their distribution in tropical and temperate regions. Key features include hermaphrodite flowers with a disc below the ovary, 10 stamens in an obdiplostemonous arrangement, and a superior ovary. The family includes trees, shrubs, and few herbs. Many members have aromatic leaves and fruits valued for their vitamins and essential oils. Specific details are provided about Citrus aurantium describing its morphology.
Ranunculaceae
The Ranunculaceae family contains over 2000 species of annual or perennial herbs, vines, and trees that are cosmopolitan but flourish in temperate climates. Important species include buttercups, larkspurs, and monkshoods. Plants have herbaceous stems, alternate or compound leaves, and cymose or solitary inflorescences bearing numerous stamens and carpels. Fruits are achenes or follicles. Many species are used ornamentally or medicinally as they contain alkaloids and glycosides. Some are also used as condiments, while others are weeds or produce poisonous juices.
ANNONACEAE
The document describes the soursop (Annona muricata), a small, evergreen fruit tree native to the Caribbean and Central America. It produces large, prickly green fruits that are high in vitamins and often processed into products like ice cream or consumed raw. In traditional medicine, parts of the plant are used to treat various illnesses.
0a47027e11f077f56a78e42016376fb2 (1).pdf
This document provides information on the family Fabaceae (Leguminosae). It discusses the three main subfamilies: Papilionaceae, Caesalpiniaceae, and Mimosaceae. For each subfamily, it describes key diagnostic features including plant structure, leaves, flowers, fruits, and economic importance. It also lists many examples of plant genera and species within the family and their uses.
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Magnoliaceae.pptx
- 1. CLASS: DICOT SUB CLASS: POLYPETALAE SERIES: THALAMIFLORAE ORDER: RANALES FAMILY: MAGNOLIACEAE
- 2. Characters of Magnoliaceae: Trees and shrubs; two ranked stipulate leaves, stipules enclose young buds; flowers hermaphrodite, actinomorphic, large; perianth usually trimerous, whorled or spiral; stamens and carpels numerous; apocarpous, spirally arranged on elongated axis, fruit an etario of follicles or berries, sometimes samara.
- 7. Distribution of Magnoliaceae: Magnoliaceae or the Magnolia family embraces 10 genera and about 100 species. The members of this family belong to the temperate regions of northern hemisphere, with centres of distribution in eastern Asia, Malaysia, eastern North America, West Indies, Brazil and North-east and south east India.
- 8. Vegetative Characters: Habit: Trees or shrubs sometimes climbing. Oil sacks present in stem and leaves. Root: Tap branched. Stem: Erect, aerial, woody, branched. Leaves: Alternate, simple, entire, commonly ever-green, coriaceous, stipules large (Magnolia) covering young leaves.
- 9. Floral Characters: Inflorescence: Solitary terminal or axillary. Flower: Largest and sometimes, 25 cm in diameter (Magnolia, Fraseri), complete, regular, actinomorphic, unisexual (Drimys), usually bisexual, hypogynous, aromatic. Floral axis (torus) long to long convex. Perianth: Nine to many, free, all alike and petaloid or the three outer ones green (Liriodendron), arranged in whorls of three, imbricate and cyclic (Magnolia and Michelia) or acyclic (spiral) arranged on an elongated or semi- elongated convex torus, free, inferior.
- 11. Androecium: Stamens many, free, often spirally arranged in a beautiful series, filaments short or absent, anther lobes linear, with a prolonged connective. Gynoecium: Carpels numerous, free, superior, arranged spirally on a cone-shaped elongated thalamus (gynophore), rarely carpels are fused, e.g., Zygogynum, placentation marginal. Fruit: An aggregate of berries or follicles, sometimes, a samara as in Liriodendron. Seed: Large, with abundant oily endosperm, and bright or orange testa which makes them highly decorative. Pollination: Entomophilous due to large and scented flowers.
- 13. Economic Importance of Magnoliaceae: 1. Medicinal: The root bark and dried roots of Michelia champaca are used as purgative, while the flowers and fruits are used as carminative and in certain renal troubles and venereal diseases like gonorrhoea. The bark of Drimys winteri and Illicium uerum is useful in medicine.
- 14. 2. Timber: The wood of Michelia excelsa is an excellent commercial timber known as “white wood”. M. acuminata, Manglietia hookeri, Michelia baillonii, M. dottsopa and Pachylarnax pleiocarpa produce valuable timber used for mill work, furniture, musical instruments, toys etc. 3. Ornamentals: The species of Magnolia and Michelia are of surprising beauty because of their conspicuous white and yellow-tinted, fragrant flowers. Flowers of Michelia champaca are used by womens to ornament their hair and also offered in temples. Michelia champaca yields ‘champaca oil’ from the flowers, camphor from the wood and scented water from the leaves.