Floral Formula - Introduction Members of family Rosaceae (rose family) are herbs and shrubs, spiny leaf, have five calyx.

1. TOPIC OF ASSIGNMENT:
FAMILY ROSACEAE
Sehrish Qayyum
017948

2. FAMILY ROSACEAE
Genera 115
Species 3200
Found in temperate and cold regions
Important for its valuable fruit plants and beautiful and fragrant flowers
Common representative genera:
Rosa Indica (Gulab)
Prunus spp (Almond,Apricot)
Malus spp(Apple)

3. DISTINGUSHING FEATURES :
Herb,shrubs or tree,stipulate,
Simple and compound.Flower
hermaphrodite,actinomorphic,hypo or
perigynous,calyx 5,united,corolla 5 to many,stamen
numerous,ovary is with single to many carpal.

4. ROSSA INDICA(GULAB):
HABIT:
A prickly climbing shrub.The flowers are a source of
an essential oil,oil of roses.
ROOT:
Tap root and Branched.
STEM:
Erect,Branched and Prickly.
LEAF:
Cauline and Ramal,Stipulate(stipules adnate the
petiole),Imparipinnately compound,Rachis bears prickles.

5. LEAFLET:
Stalked,Ovate,Serrate Margins,Reticulate Unicostate.
INFLORESCENCE:
Cymose-Solitary,Terminal or Axillary.
FLOWER:
Bracteate(bracts rarely persistent),Pedicellate,Complete,
Actinomorphic,Bisexual,Perigynous,Flowers:Yellow,Red,White
Pink.
CALYX:
Five sepals,Gamosepalous,Tubular,Inferior.
COROLLA:
Petals 5 to indefinite,Polypetalous,Rosaceous,Coloured,
Scented,Inferior.

6. ANDROECIUM:
Stemens Indefinate,Polyandrous,Anthers
Basifixed,Inferior.
GYNOECIUM:
Polycarpellary,Apocarpous,Ovary Superior with a single
ovule,Placentation Basal,Stigma Terminal,Ovule
Solitary.
FLORAL FORMULA:

7. ECONOMIC IMPORTANCE:
The cosmopolitan family is very rich in its
contribution to the pleasure and welfare of mankind.
SOURCE OF FRUITS:
It includes apples,pears,peaches,apricots,almond,strawberries,black
berries,raspberries and
several other edible fruits which are of immense value.
ORNAMENTAL PLANTS:
Several beautiful flowering shrubs belong to this family,especially the roses.
SOURCE OF GULKAND:
The petals of rose have a purgative property and are used in the
Manufacture of gulkand,a laxative.
SOURCE OF PERFUME:
Much kind of scents are obtained from various species of rose etc.
SOURCE OF MEDICINE:
Ark gulab(rose water) is used as medicine for eyes diseases.

8. ECONOMIC IMPORTANCE:
BITTER AND ASTRINGENT:
The root and
Bark of some plants are bitter and
astringent.
POISON:
Several members abound in an
acrid watery juice which is more or
less narcotic in its effect in the animal
Frame-work among these,the most
important is conium(Hemlock);every
part of plant,especially the fresh
leaves and green fruits contain a
volatile,oily alkali called coniine.

9. FLORAL STEM AND DIAGRAM

10. FAMILY ROSACEAE ROSE AND APPLE:

11. REFRENCE:
Hammad.M.Dr,Family Rosaceae;Distingushing
features,Economic Importance of the family.Associate professor of
botany.BOTANY(New Edition):PP(124 to 126).