Question

Characteristic bracts associated with spikelet inflorescence of grasses are?

• A. Involucral bracts
• B. Glumes
• C. Pappus
• D. Spathes

Answer 1

The correct option is B Glumes

A. Umbel in which the main axis is reduced very much and all flowers appear to be arising from the same point. At the base of flowers, a cluster of bracts forms an involucre. It is a type of racemose inflorescence. The example is hydrocotyle.

B. Spikelet is a small and special. Flowers are produced in the axil of fertile bracts called lemma. Glume is a bract surrounding spikelet. It is a type of racemose inflorescence. Examples are wheat and grasses.

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

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.

So, the correct answer is 'Glumes'.