Botany - Morphology of Flowering Plants Question with Solution | TestHub
Among flowers of Calotropis, tulip, Sesbania, Asparagus, Colchicum, sweet pea, Petunia, Indigofera, mustard, soybean, tobacco and groundnut, how many plants have corolla with valvate aestivation?NEET 2013 (Karnataka)
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Solution:
Valvate aestivation is found in Calotropis, tulip, Asparagus, colchicum, Petunia, mustard and tobacco. Sweet pea, groundnut, soyabean, Indigofera, Sesbania have vexillary aestivation.
Related Theory
The mode of arrangement of either sepals or petals of a flower in bud condition is said to be an Aestivation. In valvate aestivation, Sepals or petals in a whorl just meet by their edges without overlapping. In Descending imbricate or vexillary aestivation the posterior petal of overlaps one margin of the two lateral petals. (Ref. to Fig. 14.4)
