Select the correct matching: (a) Valvate Cassia (b) Twisted - China rose, ladyfinge

step 1 Problem 69 in this problem we need to find out correct matching therefore let's check the option

Select the correct matching: (a) Valvate Cassia (b)...

Select the correct matching:
(a) Valvate Cassia $\begin{array}{ll}\text { (b) Twisted } & - & \text { China rose, ladyfinger, calotropis }\end{array}$
$\begin{array}{ll}\text { (c) Imbricate } & \text { Cassia and Gulmohar }\end{array}$
(d) Vexillary Pea, Bean, Aloe, Tulip

Key Concepts

Twisted (Contorted) Aestivation

Twisted, or contorted, aestivation occurs when each floral organ is positioned in a twisted manner, so that all parts face the same direction. This distinct arrangement is one of several aestivation types and is useful in taxonomic studies by offering another morphological criterion for distinguishing species.

Imbricate Aestivation

Imbricate aestivation is characterized by floral parts that overlap one another in a fashion similar to roof tiles. This overlapping arrangement is common in many species and provides clues about the developmental morphology of the flower, aiding in both identification and classification.

Vexillary Flower

A vexillary or papilionaceous flower refers to a specialised floral structure found mostly in the legume family, typically featuring one large banner petal, accompanied by wing and keel petals. This asymmetrical configuration is an important diagnostic feature in botany and helps in identifying and classifying leguminous plants.

Aestivation

Aestivation refers to the arrangement of sepals or petals in a flower bud before it opens. It can vary in terms of how the floral parts are organized relative to one another, and understanding these patterns is key to identifying and differentiating between plant species.

Valvate Aestivation

Valvate aestivation describes a condition where the edges of adjacent sepals or petals meet exactly without any overlap. This pattern is often noted in various plants and helps in distinguishing species or genera based on the non-overlapping, ‘meeting?edge’ arrangement of their perianth organs.

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