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Echinocactus polycephalus Engelm. & J.M. Bigelow var. polycephalus Echinocactus polycephalus Engelm. & Bigelow var. polycephalus Cottontop cactus, cotton top cactus, biznaga de chilitos, harem cactus, many-headed barrel cactus, woolly-headed barrel cactus
This subspecies of the cotton top cactus is the most common, growing at the lower elevations of the Mojave and Sonoran deserts. Identification: These cacti occurs in clumps of up to 30 stems, each of which are round or cylindrical, 12-24" (30-60 cm) high and 4-8" (10-20 cm) around. Each stem has 13-21 ribs, densely covered with spines in groups of 6-8. Yellow flowers have pink midribs, and are up to 1¾" (5 cm) around. Fruits are ⅜-¾" (1.2-2 cm) long, and covered with white hairs.
©2004, Heath McAllister References:
Anderson, Edward F., The Cactus Family, Timber Press, 2001, p. 229 Online References:
Echinocactus polycephalus var. polycephalus on CalPhotos Echinocactus polycephalus var. polycephalus on Calflora Echinocactus polycephalus var. polycephalus on Cactus Art: the World of Cacti & Succulents Echinocactus polycephalus var. polycephalus on Wayne's Word Echinocactus polycephalus var. polycephalus at the Arizona Sonora Desert Museum Sonoran Desert Digital Library Echinocactus polycephalus var. polycephalus at the Anza-Borrego Desert Natural History Association Echinocactus polycephalus var. polycephalus from the Jepson Manual Echinocactus polycephalus var. polycephalus on SEINet—the Southwest Environmental Information Network Echinocactus polycephalus var. polycephalus on eFloras Echinocactus polycephalus var. polycephalus description by Thomas H. Kent, last updated 25 May 2020.
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2/28/2010 · Anza-Borrego Desert State Park, CA
2/17/2007 · Anza-Borrego Desert State Park, CA Range:
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