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B
Cassia
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C
Gulmohr
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D
Calotropis
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Solution
The correct option is A Beans Keel is a characteristic feature of the flowers of family Papilionaceae. Keel is the innermost fused petals, also called the carina. The keel is overlapped by the lateral petals called wings which are themselves overlapped by a petal called standard or vexillum. Beans, peas, grams etc. are characterised by the presence of keel.