Experiment no. 4 Date: ____________
Object: To describe the given flower in semi-botanical language
1. Wild Indigo
Botanical name: Tephrosea purpurea
Family: Leguminosae or Fabaceae
Floral Characters
Flower: Bracteate, bisexual, zygomorphic, papillionaceous, pink or purple
Calyx: 5 sepals, gamosepalous, valvate, light green
Corolla: 5 petals, polypetalous, papillionaceous petals:outer long petal standard, two lateral petals wings and two lower boat-shaped petals keel, vexillary aestivation
Androecium: 10 stamens, diadelphous (9)+1, nine fuse to form tube near ovary, anther bilobed , introse
Gynoecium: Monocarpellary, unilocular, superior ovary, placentation marginal, many ovules
Fruit: Legume pod
Floral Formula:
Family Identification
1. Flower zygpmorphic papillionaceous
2. Diadelphous stamen
3. Marginal placentation
4. Inferior ovary
5. Fruit legume
Classification
Division: Phanerogames
Subdivision: Angiospermy
Class: Dicotyledons
Subclass: Polypetalae
Category: Calcaciflorae
Order: Rosales
Family: Fabaceae
[Tephrosea purpurea]
