Wild Indigo Tephrosea purpurea

 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

 

 

 

SPACE FOR DIAGRAMS

[Tephrosea purpurea]