Q. Which of these properties are seen in Hibiscus rosa-sinensis (china rose)?
(i) Leaves with alternate phyllotaxy
(ii) Polycarpellary syncarpous inferior ovary
(iii) Twisted aestivation in petals
(iv) Basal placentation of ovules

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Solution:

Hibiscus rosa-sinensis (china rose) has axile placentation It has a polycarpellary, syncarpous superior ovary with the hypogynous insertion of floral whorls. It has an alternate type of phyllotaxy, in which a single leaf arises at each node in an alternate manner. It has twisted aestivation in which one margin of the petal overlaps that of the next one and so on.