Question

Why descending imbricate aestivation is also known as vexillary aestivation?

Answer 1

the posterior petal is outermost and largest and is known as standard or vexillum which overlaps the two lateral petals wings or alae. these two lateral overlaps two smallest anterior petals which is known as keel or Carina. so descending imbricate aestivation is also called as vexillary aestivation

Answer 2

Answer:

the posterior petal is outermost and largest and is known as standard or vexillum which overlaps the two lateral petals wings or alae. these two lateral overlaps two smallest anterior petals which is known as keel or Carina. so descending imbricate aestivation is also called as vexillary aestivation.