Inflorescences may also have classified based on
branching, number and arrangement of flowers, and some specialized structures.
I.
Indeterminate
(racemose)
II. Determinate (cymose)
III.
Mixed
inflorescence: Inflorescence
of some plants show a combination of indeterminate and determinate pattern
IV.
Special
inflorescence: Inflorescence
which do not confined to these patterns
Special Inflorescence
The inflorescences do not show any of the
development pattern types are classified under special type of inflorescence.
1.
Cyathium: Cyathium inflorescence consists
of small unisexual flowers enclosed by a common involucre which mimics a single
flower. Male flowers are organised in a scorpioid manner. Female flower is
solitary and centrally located on a long pedicel. Male flower is represented
only by stamens and female flower is represented only by pistil. Cyathium may
be actinomorphic (Example: Euphorbia)
or zygomorphic (Example: Pedilanthus.).
Nectar is present in involucre.
2.
Hypanthodium: Receptacle is a hollow, globose structure consisting unisexual flowers present on the
inner wall of the receptacle. Receptacle is closed except a small opening
called ostiole which is covered by a
series of bracts. Male flowers are present nearer to the ostiole, female and
neutral flowers are found in a mixed manner from middle below. Example: Ficus sp. (Banyan and Pipal).
3.
Coenanthium: Circular disc like fleshy open receptacle that bears pistillate flowers at the center and
staminate flowers at the periphery. Example: Dorstenia
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