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Question

In a plant, androecium has monadelphous stamens, monothecous reniform anthers and contorted corolla. It is

A

Nerium

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B

Rauwolfia

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C

Hibiscus

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D

Lathyrus

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Solution

The correct option is C

Hibiscus


In the family of Malvaceae, the filaments of the stamens are united to form a single bundle called staminal column so, the condition is called monadelphous. The anthers are monothecous wherein, there are one lobe and two pollen-chambers. The shape of the anthers in reniform, that is, they appear kidney-shape. The corolla shows twisted aestivation, also called contorted corolla. Hibiscus rosa-sinensis belongs to the family Malvaceae.
Hence, the correct answer is 'Hibiscus'

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