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SHOWING RECORD: 17 of 45   Prickly-Pear Cactus
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image: Prickly-Pear Cactus
Photograph by David Muench/Corbis
Prickly-Pear Cactus
(Plains Prickly-Pear, Hair-Spine Prickly-Pear)

Opuntia polyacantha

First Noted by Expedition
October 16, 1805, along the Snake River, Idaho.

Low mound of spiny, flat, nearly oval joints has bright yellow or sometimes bright magenta flowers 2-3 in (5-7.5 cm) wide. Spines: 2-3 in (5-7.5 cm) long, 6-10 per cluster, mostly bent down. Height: 3-6 in (7.5-15 cm), with clumps of stems 1-10 ft (0.3-3 m) wide.

Open areas on plains, in deserts, and among piñon and juniper.

Southern British Columbia to eastern Oregon and northern Arizona; east to western Texas, Missouri, and central Canada.

Species information from enature.com

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