Question

In Hibiscus rosa-sinensis there is an additional floral whorl known as

• A. Calyx
• B. Involucre
• C. Epicalyx
• D. Obdiplostemonous layer

Answer 1

The correct option is C Epicalyx

The epicalyx is the additional whorl made up of involucre that is places exterior to the whorl of the calyx. It is found in Hibiscus rosa-sinensis.

A. Calyx is the whorl made up of sepals. It is generally present in complete, perfect and imperfect flowers.

B. Involucres are the units of epicalyx.

C. Epicalyx is the additional whorl present exterior to the calyx.

D. An obdiplostemonous layer is the outer layer of stamens opposite to the petals.

Hence, the correct answer is 'Epicalyx'