First slide

The Flower

Question

In a papilionaceous corolla, the posterior petal is

Easy

A

Smallest and known as keel
B

has medium size and known as alae
C

Largest and known as carina
D

Largest and is known as Vexillum or standard petal

Solution

In pea and bean flowers, there are five petals, the largest (standard) overlaps the two lateral petals (wings) which in turn overlap the two smallest anterior petals (keel); this type of aestivation is known as vexillary or papilionaceous.
Note the position:
Standard - Posterior
Keel - Anterior
Wings - Lateral

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App