Thelocactus multicephalus
Light microscope micrograph of Thelocactus multicephalus pollen. Pollen grains are ellipsoidal and 3-colpate (having three apertures).
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							Thelocactus multicephalus | 
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Light microscope micrograph of Thelocactus multicephalus pollen. Pollen grains are ellipsoidal and 3-colpate (having three apertures).
|   
							Thelocactus multicephalus | 
 |