All Floras      Advanced Search
FNA Vol. 4 Page 190 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 4 | Cactaceae | Echinocactus

2b. Echinocactus polycephalus Engelmann & J. M. Bigelow var. xeranthemoides J. M. Coulter, Contr. U.S. Natl. Herb. 3: 358. 1896.

Echinocactus polycephalus subsp. xeranthemoides (J. M. Coulter) N. P. Taylor

Stems gray-green to yellow-green. Spines red to straw colored, canescent, puberulent, or glab-rous. Fruit scales tan, yellow, or reddish, aging yellow, 16-30 mm, usually longer than dried tepals at fruit apex. Seeds rounded (rarely faceted), 2.4-3.1 mm, smooth (exposed surfaces of testa cells flat or slightly convex, uniformly shiny). 2n = 22.

Flowering Jun-Aug. Rocky hills, slopes, and ledges of canyons, Great Basin and Mojave desert scrub, igneous and calcareous substrates; 500-1700 m; Ariz., Nev.


Related Objects  
  • Distribution Map
  • Map

     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |