A head having only one type of floret is
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Homogamous head
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Heterogamous head
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Cyathium
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Momoecious
A
Correct answer
Explanation
A homogamous head contains only one type of floret (either all disc florets or all ray florets). A heterogamous head has both disc and ray florets. Cyathium is a specialized inflorescence (like in Euphorbia). Monoecious refers to plants having both male and female flowers on the same individual.