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Vexillary aestivation is characteristic of the family

1. Fabaceae
2. Asteraceae
3. Solanaceae
4. Brassicaceae

Correct answer: Fabaceae

Solution

Vexillary aestivation is the papilionaceous type seen in Fabaceae, where the large standard petal overlaps the two wings, which in turn overlap the keel. This floral arrangement is a key diagnostic feature of the pea family.

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