Question

In Dianthus, placentation is

• A. Basal
• B. Marginal
• C. Axile
• D. Free central

Answer 1

Answer: (D)

Free central

The arrangement of the ovules on the placenta in the ovary is called as the placentation. Dianthus belongs to the family Caryophyllaceae that shows the free-central type of the placentation. In this type, the ovules are the arranged on the central axis which is not attached with the ovary by any kind of septum.

A. Basal placentation as seen in Asteraceae.

B. Marginal placentation as seen in Leguminosae.

C. Axile placentation as seen in Solanum spp.

D. Free central placentation as seen in Dianthus

Hence, the correct answer is 'Free-Central'