in Inflorescence by

1 Answer

0 votes

Cymose inflorescence is also called determinate or definite inflorescence. Growth of the peduncle is definite. Here the terminal bud is modified in to a flower. Flowers develop in basipetal succession, i.e., mature flowers are towards the apex and young flowers buds are towards the base. Flowers open in centrifugal sequence, i.e., flowers open from centre to the periphery of the inflorescence. Peduncle may be branched or unbranched.

Solitary cyme - It is an inflorescence having only one flower. The tip of the peduncle ends in a flower. Peduncle shows no further growth. Solitary cyme may be axillary as in hibiscus or terminal as in Datura and Gossypium the solitary cyme becomes leaf opposed.

Simple cyme - Here the growth of the peduncle is definite because it terminates in a flower. Below this flower two branches develop laterally in the axis of opposite bracts. These branches also end in flowers. There is no further growth of the inflorescence.

Biology Questions and Answers for Grade 10, Grade 11 and Grade 12 students, Junior and Senior High Schools, Junior Colleges, Undergraduate biology programs and Medical Entrance exams.