Question

The inflorescence in Mulberry (Morus) is?

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

Answer 1

The correct option is B Catkin

A. 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. The example is palm.

B. Catkin is a pendulous spike in leaf axis which bears unisexual flowers. Catkin (Amentum) is a compact pendent unisexual spike in which peduncle is thin and weak. e.g., Morus (Mulberry), Populus (Poplar), Acalypha (Cats tail), Salix (Willow), Betula (Birch). It is a type of racemose inflorescence. The example is mulberry.

C. Spike in which peduncle has bisexual and sessile flowers. It is a type of racemose inflorescence. The example is Achyranthes.

D. Capitulum or head bears many sessile and small florets. The main axis becomes flat and called receptacle. It is a type of racemose inflorescence. The example is the sunflower.

So, the correct answer is 'Catkin'.