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In cyathium inflorescence
Single male flower is surrounded by many female flowers.
Single female flower is surrounded by many male flowers.
Male and female flowers are borne in different plants
There are one male and one female flower.
Answers (1)
Cyathium inflorescence is a special type of cymose inflorescence; wherein there is a cup-like cluster of altered leaves that surrounds a female flower and many male flowers. It appears as a single flower.
A cyathium is one of the specialized pseudanthium meaning false flowers. It forms the inflorescence of plants in the genus Euphorbia (Euphorbiaceae). A cyathium consists of:
- Five or rarely four bracteoles. These are small and united bracts. They form a cup-like involucre. Their upper tips are free and in the advent cover the opening of the involucre (like the shutter of a camera).
- Five (1 to 10) nectar glands, which are occasionally fused.
- The extremely reduced female flower stands in the center at the base of the involucre. It consists of an ovary on a short stem with a pistil.
- It is surrounded by five groups. One group at the base of each bracteole of extremely reduced male flowers. Each of them consists of a single anther on a stem.
Correct option is 2.
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