Question

Which among the following is not a characteristics of umbel inflorescence ?

(i) It is a modified spike

(ii) The peduncle is condensed into a point.

(iii) The flowers are pedicellate and arrows from a common point of the peduncle.

(iv) All the flowers maybe of one type or two types.

(v) A single whorl of involucre lies at the base.

• A. (i) and (iv)
• B. (ii) and (iii)
• C. (ii) and (v)
• D. (iii) and (v)

Answer 1

Answer:

A. (i) and (iv)

An umbel inflorescence is a type of flowering structure characterized by the following features:

1. Radiating arrangement: Flowers or pedicels arise from a common point, resembling the spokes of an umbrella.

2. Central axis: A short or long peduncle (stalk) supports the flowers.

3. Equal pedicels: Pedicels (stalks of individual flowers) are typically equal in length.

4. No terminal flower: There is no terminal flower; instead, flowers are arranged in a circular manner.

5. Simple or compound: Umbels can be simple (single) or compound (umbels of umbels).