In China rose, the flowers are

Zygomorphic, epigynous with twisted aestivation

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Actinomorphic, hypogynous with twisted aestivation

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Actinomorphic, epigynous with valvate aestivation

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Zygomorphic, hypogynous with imbricate aestivation

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Solution

The correct option is B Actinomorphic, hypogynous with twisted aestivation
China Rose belongs to the family Malvaceae. The flowers are actinomorphic as these can be divided into equal halves through the vertical section passing along any axis. The flowers are hypogynous as the ovary is placed superior with respect to the other floral organs. The Corolla and calyx show the twisted aestivation. Each unit overlaps the next unit and is overlapped by the previous unit regularly.
Hence, the correct answer is 'Actinomorphic, hypogynous with twisted aestivation'

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