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Pollinium (Plural: Pollinia) [ Botany ]

Dictionary of botanic terminology - index of names

     
  A pollinium is the specific, pollen-bearing structure of Asclepiadaceae and Orchidaceae which is extracted by pollinators from a flower and transported for pollination to another flower.  
     
It is a mass of pollen grains fused by means of their wavy texture or fine threads, It originate from a single anther. This mass sticks together and during pollination is transported as a single unit.

 


 

A  pair of pollinia,  the typical pollen-bearing structure of Asclepiadaceae family.

A pollinating fly on a flower of Stapelia grandiflora with two  pollinia stiked in the mandibles.[ Click on the photo to enlarge]
(Photo Andrea B. Italy)

 

 

 
 
Pollinarium (Plural: pollinaria)

 

     
  A functional unit in Orchid pollination that consists of two or more pollinia, stalk or stipe, and viscidium.  
     

 

A special thank for the photo to:
Andrea B. (Italy)

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