Heterostyly is seen in
A. Ageratum
B. Primula
C. Petunia
D. Sunflower
Answer: Option B
Solution (By Examveda Team)
Heterostyly is seen in Primula.Heterostyly is a morphological and reproductive polymorphism in which plant populations are composed of two (distyly) or three (tristyly) floral morphs that differ reciprocally in the height of their stigmas and anthers.
Primula vulgaris (primrose) exhibits heterostyly: plants produce self-incompatible pin- or thrum-form flowers, with anthers and stigma at reciprocal heights.

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