alleryVexillary (papilionaceous) aestivation is seen in
ACassia and gulmohur
BPea and bean flowers
CCalotropis and cotton
DMustard and Datura plants
Answer & Solution
Correct answer: B. Pea and bean flowers
Vexillary aestivation (pea, bean): the largest petal (standard) overlaps the two laterals (wings), which in turn overlap the two anteriors (keel). Valvate: Calotropis.
**Twisted:** china rose, cotton.
**Imbricate:** Cassia, gulmohur.
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