|University of California, Berkeley|
|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, not branched, or if branched then forming low +- 50 cm diam clumps with up to 12 branches. Stem: not segmented; 2--15 cm, 2--15 cm diam, spheric, ovoid, or cylindric, soft-fleshy to firm, ribs 0, tubercles conic to cylindric, grooved along distal surface from base (axil) to spine cluster at tip. Spines: 3--95 per areole, < 1 mm diam, needle-like, smooth, straight [curved or hooked]; central spines 3--12. Flower: +- at stem tip, in axil of tubercle; 6--37 mm diam; perianth +- yellow-green to rose-pink or +- purple; ovary glabrous, spines 0, scales generally 0--few, fringed [entire]. Fruit: indehiscent, wide-ellipsoid to narrowly obovoid, spineless. Seed: 1.3--2.3 mm, reniform, pitted, black or brown.
Species In Genus: 16 species: western United States, Mexico. Etymology: (Greek: crown + flower, referring to top flower position)
eFlora Treatment Author: Bruce D. Parfitt
Jepson Online Interchange
Key to CoryphanthaPrevious taxon: Carnegiea gigantea
Next taxon: Coryphantha alversonii
Citation for this treatment: Bruce D. Parfitt 2017. Coryphantha, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=9218, accessed on January 17, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on January 17, 2017.