Question

Inflorescence having unisexual sessile flowers is?

• A. Spike
• B. Spikelet
• C. Catkin
• D. Spadix

Answer 1

Answer: (C)

Catkin

A. Spike in which peduncle has bisexual and sessile flowers. It is a type of racemose inflorescence. Example: achyranthes.

B. Spikelet is a small and special spike. Flowers are produced in the axil of fertile bracts called lemma. It is a type of racemose inflorescence. Example: wheat.

C. Catkin is a pendulous spike in leaf axis which bears sessile and unisexual flowers. It is a type of racemose inflorescence. Example: oak.

D. The spadix is a spike with a fleshy axis and having both male and female flowers. It is surrounded by large colored bracts called spathe. It is a type of racemose inflorescence. Example: palm.

So, the correct answer is 'Catkin'.