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NEET 2022, Biology Q23: The Flower

NEET2022Biology
Q.

Which one of the following plants show vexillary aestivation and diadelphous stamens ?

  1. A

    Colchicum autumnale

  2. B

    Pisum sativum

  3. C

    Allium cepa

  4. D

    Solanum nigrum

Solution

Vexillary (papilionaceous) aestivation and diadelphous stamens (filaments fused into two bundles, typically 9 + 1) are hallmark features of subfamily Papilionoideae of family Fabaceae.

Among the options, only Pisum sativum (garden pea) belongs to this family and shows both features.

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