Question:
Umbel inflorescence is found in
Umbel inflorescence is found in
Updated On: Jun 14, 2022
- Musa
- Colocosia
- Coriandrum
- Helianthus
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The Correct Option is C
Solution and Explanation
Umbel inflorescence is found in Coriandrum sativum. In this type of inflorescence flowers appear to develop from a common point and pedicellate. A group of bracts are involucre, which is always associated with the umbel and each flower arises from the axis of bract. In Coriandrum, compound umbel is present, in this the branches of the inflorescence grow from the tip of the peduncle and each bear the flower arranged in the form of umbel.
In Helianthus annuus, capitulum or head inflorescence is present. In this, the floral axis is flattened like a disc, bear sessile flowers called florets crowded over the surface of disc. Florets are of two types
Ray florets peripheral and unisexual or neuter.
Disc florets Central they are usually bisexual. In Colocasia, the type of inflorescence is spadix, which is modified spike with a fleshy axis having both male and female flowers, which are sessile. Female flowers are borne at the base and male flower above the entire inflorescence is covered by a coloured bract called spathe
In Musa (banana), type of in flosescence present is mixed spadix. Spadix with cymose inflorescence arranged acropetally in a fleshy axis.
In Helianthus annuus, capitulum or head inflorescence is present. In this, the floral axis is flattened like a disc, bear sessile flowers called florets crowded over the surface of disc. Florets are of two types
Ray florets peripheral and unisexual or neuter.
Disc florets Central they are usually bisexual. In Colocasia, the type of inflorescence is spadix, which is modified spike with a fleshy axis having both male and female flowers, which are sessile. Female flowers are borne at the base and male flower above the entire inflorescence is covered by a coloured bract called spathe
In Musa (banana), type of in flosescence present is mixed spadix. Spadix with cymose inflorescence arranged acropetally in a fleshy axis.
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Concepts Used:
Inflorescence
The term inflorescence comes under the method morphology of flowering plants. The Morphology of flowering plants is the study of different parts of the plants, which includes the leaves, flowers, fruits, and stems. In a plant, the flowers either grow individually or in a set of groups, and the groups of flowers are referred to as inflorescence.
Inflorescence can also be referred to as the reproductive part of a plant that contains a group of flowers. It is responsible for the positioning of flowers on the floral axis and it is divided into two categories: racemose inflorescence and cymose inflorescence. In the racemose inflorescence, the main axis keeps on growing and the flower develops itself in an acropetal pattern while in the cymose inflorescence the termination of the main axis takes place and the flower grows in a basipetal pattern.