Butterfly shaped flower with one standard, two wing-like and two keeled petals belong to
A
Compositae
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B
Rubiaceae
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C
Malvaceae
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D
Papilionaceae
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Solution
The correct option is A Papilionaceae The family Papilionaceae is characterised by the butterfly-shaped corolla. There is a posterior petal which is larger and is called vexillum or standard. It overlaps the lateral petals called wings. These wings then overlap the anterior petals that are fused to form keel or carina.