Which one of the following plants shows vexillary aestivation and diadelphous stamens?
Colchicum autumnale
Pisum sativum
Allium cepa
Solanum nigrum
Vexillary aestivation and diadelphous stamens are the characteristic features of family Fabaceae. Pisum sativum (garden pea) belongs to family Fabaceae. Allium cepa (onion) and Colchicum autumnale (colchicine) belong to family Liliaceae. Solanum nigrum belongs to Solanaceae.
Join thousands of students and practice with AI-generated mock tests.