Some inflorescences undergo modifications. It results in peculiar arrangement of flowers and opening of flowers. Such inflorescences are called special types. Verticillaster, cyathium and hypanthodium are the special types.
What is inflorescence mention the special types of inflorescence with example?
The arrangement of flowers on floral axis is termed as inflorescence. 1) Verticillaster :- It is a modification of cymose inflorescence. Initially it is a dichasial cyme but later on it is reduced to monochasial scorpoid cyme nad thus forms a false whorl around the node or axis. Example:- oscimum, salvia etc.
What are the different types of inflorescence?
- Types of Inflorescence (Floral structure)
- Spike – an elongate, unbranched, indeterminate inflorescence with sessile flowers.
- Spikelet – a small spike, characteristic of grasses and sedges.
- Raceme – an elongate, unbranched, indeterminate inflorescence with pedicelled flowers.
- Panicle – a branched raceme.
How many types of inflorescence are there in plants?
Depending on the kind of plant, flowers can be single or multiple. As defined by a botanical dictionary, an inflorescence is a cluster of flowers arranged along a floral axis. Inflorescences come in two types: Racemose and Cymose.
What do you understand by special types of inflorescence describe them with diagrams and examples?
Cyathium is a highly condensed type of cymose inflorescence. It looks like a single flower, within an involucral cup, formed by the fusion of bracts. The peduncle is very much reduced. Thyrsus is a mixed inflorescence, composed of a number of simple cymes arranged in a racemose manner.
What is Raceme inflorescence?
Definition of raceme : a simple inflorescence (as in the lily of the valley) in which the flowers are borne on short stalks of about equal length at equal distances along an elongated axis and open in succession toward the apex — see inflorescence illustration.
What is the inflorescence of sunflower?
capitulum – The inflorescence of sunflower is a capitulum, consisting of numerous florets arranged in a spiral pattern.
What is inflorescence angiosperms?
Inflorescences are clusters of flowers on a branch or a system of branches. They are categorized generally on the basis of the timing of their flowering and by their arrangement on an axis. Common types of inflorescences among the angiosperms. …