The standard petal of a papilionaceous corolla is also called

(A)

Corona

(B)

Carina

(C)

Pappus

(D)

Vexillum

NEET - Medical UG-2016 Medium

Answer & Solution:

answer- d vexillum

It is also known as zygomorphic polypetalous corolla or the butter fly shaped corolla . In this type of corolla 5 petals are found. posterior one is the largest known as standard or vexillum which then covers 2 lateral petals called as wings or alae and the innermost anterior ones are called as keel or carina . found in gram, bean, arhar that is papilionate family.

aestivation is the mode of arrangement of sepals or petals in a floral bud. example- valvae, imbricate,twisted, vexuillary and quincical.

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