Prickly Pear Cactus Stamens and Pistils

a photo of prickly pear cactus
Pollen grains cling to the stamens on the cactus flower (Opuntia polyacantha). The pistil contains the
ovary and ova ("eggs"), which are eventually fertilized by pollen from other plants to become seeds.

Photo courtesy of and copyright by Ernie Bernard

Last updated: March 31, 2012

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1000 US Hwy 36
Estes Park, CO 80517


(970) 586-1206
Through winter, the Information Office is open 8:00 am–4:30 pm Mon–Fri. Recorded Trail Ridge Road status: (970) 586-1222.

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