Question

what is descending imbicate?​

Answer 1

Answer:

The imbricate aestivation is of two types, namely, descending imbricate and ascending imbricate. Descending imbricate : Here the odd petal is posterior and completely outside. The anterior pair of petals are completely inside. The remaining petals show regular overlapping in the descending manner.

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