A) tulip
B) Indigofera
C) Aloe
D) tomato
Correct Answer: A
Solution :
[a] Keel is petal is vexillary aestivation, which is a characteristic of family-Fabaceae, i.e Indigofera tomato belongs to family-Solanaceae, tulip and while aloe to Liliaceae. |
Papilionaceae (e.g. Indigofera, pea) is sub-family of Fabaceae, which has bilateral symmetry with, corolla consist of 5 petals. It follows vexillary aestivation. A single upper posterior petal is known as banner. Two lateral compressed petals called wings and a pair of anterior small fused petal forms keel. Keel has concave sides which make them fused at bases, |
Hence, keel is the characteristic feature of flower of family-Papilionaceae, e.g. Indigofera. |
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