Racemose Inflorescence and Its Types - Category B and C
Umbel:
- It is a modified raceme.
- The main axis is severely reduced.
- The flowers have pedicels of an equal length and appear to develop at the same point.
- Each flower arises in the axil of a bract.
- These bracts fuse to form a whorl called involucre.
- Umbel inflorescence resembles a loose head of pedicellate flowers that are arranged centripetally, that is, the older flowers towards the periphery and the younger ones towards the centre.
- It is a characteristic of the family Umbelliferae or Apiaceae.
- In compound umbel, the reduced main axis branches and the individual umber are borne on these branches.
- For example, coriander.

Umbel is a characteristic feature of the family Apiaceae.
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