Question

Floral characters of family fabaceae

Answer 1

Answer:

The Fabaceae family is a large family of the plant kingdom, including several economically important plants. The family Fabaceae is also known as Leguminosae or Papilionaceae since it belongs to the pea or legume family. There are around 20,000 species of dicotyledonous Fabaceae plants widely distributed all over the world.

Characteristics of Fabaceae Family

Vegetative Characters

• Root: Dicotyledons, taproot with root nodules.

• Stem: Erect or climber; Fabaceae includes shrubs, herbs, trees and majorly climbers.

• Leaves: Petiolate, pinnately compound or simple; pulvinus leaf base, stipulate; reticulate venation.

Floral Characters

• Inflorescence: Racemose.

• Flower: Complete, bisexual, zygomorphic, hypogynous, bracteate/ ebracteate.

• Calyx: Five sepals, gamosepalous; valvate or imbricate aestivation.

• Corolla: Five petals, polypetalous, papilionaceous, vexillary aestivation.

• Androecium: Ten stamens (9+1), diadelphous, anther dithecous.

• Gynoecium: Superior ovary, monocarpellary, unilocular, single, short -style and flat, hairy-stigma.

• Fruit: Legume.

• Seed: One or more, non-endospermic.

Economic Importance

1. The plants of this family are unique and have root nodules which contain nitrogen-fixing symbiotic bacteria, capable of transforming atmospheric nitrogen into fixed nitrogen or ammonia.
2. Pulses like gram, moong, soya bean are the main source of food.
3. Mulethi plant is known for its medicinal value.
4. Soya bean and groundnuts are used to extract oil that is used for cooking.
5. Sunn hemp is the source of timber and fibre.
6. Indigofera is used to make dye.
7. Sesbania and Trifolium are the sources of fodder or livestock feed.
8. Lupin and sweet pea are known as ornamental plants.

Explanation:

Hope I am able to help you out...