In Papilionaceous Corolla the Largest Petal Is?

Papilionaceous corolla, this type of aestivation includes the presence of five petals in it. Out of these petals, the largest one is called standard or vexillum, the two lateral petals are known as wings and out of them the smallest petals are termed as keels.

Which of the following is largest petal of Papilionaceous corolla a keel B Wings C ALAE D standard?

The posterior petal is largest and known as standard or vexillum. Two lateral petals are small and free called Wings or Alae, and are overlapped by the posterior standard petal.

What is Papilionaceous corolla?

Papilionaceous corolla is the special type of aestivation found in the family Papilionaceae in which there are five petals, the largest petal known as standard or vexillum overlapping the two lateral petals known as wings which in turn overlap two smallest anterior petals known as keels.