Choose the incorrect pair (Aestivation - exam | vedclass

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Question

(D) Aestivation is the mode of arrangement of sepals or petals in a floral bud with respect to the other members of the same whorl.$1$. Valvate: Sepal

Vedclass · Accepted Answer

Vexillary - China rose

Vedclass · Answer

(D) Aestivation is the mode of arrangement of sepals or petals in a floral bud with respect to the other members of the same whorl.$1$. Valvate: Sepals or petals in a whorl just touch one another at the margin,without overlapping,e.g.,Calotropis.$2$. Twisted: One margin of the appendage overlaps that of the next one and so on,e.g.,China rose,lady's finger,and cotton.$3$. Imbricate: The margins of sepals or petals overlap one another but not in any particular direction,e.g.,Cassia and Gulmohur.$4$. Vexillary (Papilionaceous): In pea and bean flowers,there are five petals; the largest (standard) overlaps the two lateral petals (wings),which in turn overlap the two smallest anterior petals (keel). China rose shows twisted aestivation,not vexillary. Therefore,the pair 'Vexillary - China rose' is incorrect.

Choose the incorrect pair (Aestivation - example).

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