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Which of the following statements is true?
Option: 1
A solitary flower is called an inflorescence
Option: 2
An inflorescence is borne on peduncle
Option: 3
Flowers on a rachis are always pedicellate
Option: 4
Sessile flowers do not have a rachis
Answers (1)
The Inflorescence -
The Inflorescence
- The flowers are arranged in some definite manner on the plant.
- The mode of arrangement of flowers on a specialised branch on the top of the plant which bears flowers is called inflorescence.
- An inflorescence is a group or cluster of flowers arranged on a stem.
- The stem holding the whole inflorescence is called the peduncle.
- The branch of peduncle holding the flowers is called the rachis.
- The stalk of each flower is called pedicel.
- The inflorescences can be described by the following characteristics:
- How the flowers are arranged on a peduncle
- Blooming order of the flowers
- How different clusters of flowers are grouped within it
- Any leaf associated with an inflorescence is called a bract.
- Bract is usually located at the node.
- Bracts are involved in the protection of young flowers and attraction of pollinators.
- According the presence or absence of bracts, the inflorescence can be
- Ebracteate - bracts are absent
- Bracteate - bracts are present
-
The stem holding the whole inflorescence is called the peduncle
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