Question

What is racemose inflorescence? Give its types.

Answer 1

Racemose is an inflorescence in which the terminal of a branch does not transform into a flower that is the reason it is also called as indefinite inflorescence in which the flowers are arranged acropetally.

Different types of the racemose inflorescence are:-

1. Corymb-All the flowers are arranged at the same level due to the slight shortening of peduncle and pedicel is slightly elongated of lower flowers. An example is a candytuft.
2. Umbel:-Pedicellate flowers are arranged centripetally around an extremely reduced peduncle with an involucre below. An example is Centella
3. Spike:-Sessile flower born acropetally. An example is Amaranthus.
4. Spikelet:-it is a compact spike with few flowers born on the axis called rachilla and surrounded by two scales called glumes. An example is a wheat.
5. Catkin:-Compact unisexual spike often hanging. An example is Acalypha.
6. Spadix: -A fleshy spike covered with spathe. An example is a maize.