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5.Morphology of Flowering Plants
medium
A plant has a butterfly-shaped flower with one standard, two wing like and two keel petals. To which family, this plant belongs?
A
Malvaceae
B
Papilionaceae
C
Rubiaceae
D
Compositae
(AIIMS-2018)
Solution
The given plant belongs to the family Papilionaceae. Characters of this family include corolla papilionaceous, petals $5,$ posterior odd petals is called standard, two lateral ones fused to form a keel or carina.
Standard 11
Biology