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|Jepson eFlora: Taxon page
Key to families | Table of families and genera
Index to accepted names and synonyms:
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|Family: Cactaceae||View Description||Dichotomous Key|
|Genus:||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Habit: Generally erect to ascending, [sprawling, pendent, or decumbent], branched or not, branches generally few--500, occasionally in dense mounds. Stem: 5--60 cm, (1)4--15 cm diam, spheric to long-cylindric, soft, not regularly segmented; ribs prominent, 4--13, tubercles +- 0 along rib-crests. Spines: 4--55 per areole, < 2 mm diam, needle- to dagger-like, glabrous to puberulent, straight, curved, or curly; central spines (0)1--6(9). Flower: lateral, near distal margin of spine cluster; perianth purple to lavender, orange, or red [yellow or green]; ovary glabrous, spiny, scales minute. Fruit: spheric to obovoid, indehiscent or splitting laterally, densely spiny, spine clusters deciduous. Seed: 0.8--2 mm, obovoid to +- spheric, dull, wrinkled or tubercled, generally black.
Species In Genus: 49 species: southwestern United States, Mexico. Etymology: (Greek: hedgehog + Cereus)
eFlora Treatment Author: Bruce D. Parfitt
Jepson Online Interchange
Key to EchinocereusPrevious taxon: Echinocactus polycephalus var. polycephalus
Next taxon: Echinocereus engelmannii
Citation for this treatment: Bruce D. Parfitt 2016. Echinocereus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=9220, accessed on February 10, 2016.
Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on February 10, 2016.