Several pollen grains form a unit designated as pollinium in Family.

Asteraceae

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Cucurbitaceae

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Asclepiadaceae

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Brassicaceae

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Solution

The correct option is C Asclepiadaceae
In Calotropis and related plants of Family Asclepiadaceae, all the pollen grains of an anther lobe remain united in a single sac called pollinium. Two pollinia of adjacent anthers are attached to produce a translator.

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Several pollen grains form a unit designated as pollinium in Family.

The correct option is C AsclepiadaceaeIn Calotropis and related plants of Family Asclepiadaceae, all the pollen grains of an anther lobe remain united in a single sac called pollinium. Two pollinia of adjacent anthers are attached to produce a translator.

The correct option is C Asclepiadaceae
In Calotropis and related plants of Family Asclepiadaceae, all the pollen grains of an anther lobe remain united in a single sac called pollinium. Two pollinia of adjacent anthers are attached to produce a translator.