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Chapter: Introduction to Botany: The Origin of Flowering

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Inflorescence - Origin of Flowering

Inflorescence - Origin of Flowering
Inflorescence is an isolated generative shoot (shoot bearing FU).

The Inflorescence

 

Inflorescence is an isolated generative shoot (shoot bearing FU). Together, in-florescences make generative shoot system. Its diverse structure is of not lesser importance than the structure of vegetative shoot system.

 

The vast diversity of inflorescences can be split into four groups, or “models” (Fig. 8.15). Sole flower is sometimes considered as a “Model 0”.

 

Model I inflorescences are based on the raceme (monopodially branched gener-ative shoot). They are simple or double and mostly monopodial (Fig. 8.16). 



Model II inflorescences (Fig. 8.17) bear or consist of closed (sympodially branched) units. The most complete but more rare variant is thyrsus, whereas reduced variants (monochasia and dichasia) are more frequent.




 

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