Which inflorescence has biparous cyme ending in uniparous cymes?
A
Cyathium
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B
Verticillaster
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C
Hypanthodium
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D
Strobile
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Solution
The correct option is B Verticillaster
A. Cyathium looks like a single flower. A cup-shaped involucre formed by bracts encloses a single female flower and a number of male flowers. Each male flower is represented by a single stamen while a single pistil represents a female flower. It is a type of cymose inflorescence. The example is Poinsettia.
B. Verticillaster is a cluster of sessile or subsessile flowers borne on a biparous cyme (dichasial) ending in uniparous cyme (monochasial) in the form of condensed whorl on either side of the node. It is a type of cymose inflorescence. The example is Tulsi.
C. Hypanthodium is fleshy receptacle forming a hollow cavity with an apical opening called ostiole. The flowers are developed on the inner wall of the hollow cavity. It is a type of cymose inflorescence. The example is banyan.
D. Strobile is a type of spike in which each flower is borne in the axil of a persistent membranous bract with the pistillate inflorescence of the hop.