these ppt slides consist of a detailed description of the family Fabaceae.

1. Description of family
fabaceae/leguminosae in
semi technical term
Dambar Singh Khatri

2. Pea ( Pisum sativum)

3. • Distribution:it includes more than 482 genera and 7200 species.
• They commonly grow in the sub tropical and temperate region.
• These families of many species are cultivated as important pulses and
vegetable.

4. • Habitat: Most of the members of this family are annual, biennial or
perennial herbs or climbing, rarely they are shrub and tree.
• Root: branched tap root. The roots are usually with nodules containing
nitrogen-fixing bacteria like Rhizobium spp.
• Due to this character the plants are alsocultivated to maintain soil fertility.

5. • Stem: herbaceous or woody, erect or week climber, cylindrical, branched,
solid, green and glabrous.
• Leaf: alternate or whorled, petiolate, stipulate with foliacious stipule, simple
or
compound, leaf lets are modified into tendril in some species,
reticulatevenation.

6. Floral characters
• Inflorescence: usually racemose types or solitary.
• Flowers: bracteates, pedicellate, zyogomorphic, complete, bisexual, usually
pentamerous, hypogynous or perigynous.
• Calyx: sepals-5, gamosepalopus, aestivation valvate or imbricate, sometime
bell shaped.

7. • Corolla: petals-5, polypetalous, petals unequal, aestivation imbricate, inferior.
• Androecium: stamens 10, usually diadelphous (9+1), anther dithecous,
basifixed and introres, inferior.
• Gynoecium: carpels 1 (monocarpellary) ovary superior, unilocular with many
ovules, placentation marginal, and style bent at base, flat and hairy, stigma
simple.
• Fruit: legume or pod.

8. Flower of pea

9. • Floral formula: Br. % K (5) C1+2+ (2) A (9) +1 G1
•
Floral diagram

10. Economic importance
• Used as vegetable
• Used as ornaments
• Helps in nitrogen fixation
• Used in pulses

11. Thank you