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The cephalium will only begin growing after a cactus has reached a certain size or age. Once flowering begins the flower buds will form from the cephalium.
The cephalium will only begin growing after a cactus has reached a certain size or age. Once flowering begins the flower buds will form from the cephalium.


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Image:Arrojadoa penicillata.jpg|Flowers emerge from cephalium of ''[[Arrojadoa penicillata]]''.
Image:Arrojadoa penicillata.jpg|Flowers emerge from cephalium of ''[[Arrojadoa penicillata]]''.
Image:Melocactus matanzanus 1.jpg|Cephalium of ''[[Melocactus matanzanus]]''
Image:Melocactus matanzanus 1.jpg|Cephalium of ''[[Melocactus matanzanus]]''
Image:Espostoa lanata-IMG 1935.jpg|Lateral cephalium of ''[[Espostoa lanata]]''
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Revision as of 16:41, 31 January 2017

Cephalium is a frequently brightly coloured structure of wool and bristle at the growing tip of certain cacti. It is most commonly found on cacti of the genus Melocactus and can take a number of colours, forms and shapes. The cephalium will only begin growing after a cactus has reached a certain size or age. Once flowering begins the flower buds will form from the cephalium.