Describe any two special types of Inflorescences.

Explanation

1) Cyathium :
It is a single flower like special inflorescence is covered by a deep cup like involcure of bracts. At the centre of the cup, there is a single female flower represented by a long stalked tricarpellary, Syncarpous pistil. Encircling this females flower, many male flowers are arranged in scorpioid cymes. Each male flower is represented by a single and stalked stamen. Male and female flowers are achlymadeous. Flowers are arranged in centrifugal manner. Ex : Euphorbia and Poinsettia
2) Hypanthodium :
It is a fruit like inflorescence. The inflorescence axis is condensed and forms a fleshy, cup like structure with an apical opening. Small, sessile, unisexual flowers develop on the inner wall of the cup. Male flowers are near the apical opening and female flowers are at the base. In between these two types of flowers, some sterile female flowers called .gall flowers. are present. The opening of flowers is not in a definite order.
Ex : Ficus species.