A) Tobacco
B) Viola
C) Mirabilis
D) None of these
Correct Answer: B
Solution :
Bisexual flowers which do not open at all are called cleistogamous. In such flowers anthers and stigma lie close to each other. Viola (common pansy) has both cleistogamous and chasmogamous flowers. Chasmogamous flowers remain open with exposed anthers and stigma.
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