Sclerocactus whipplei (Engelmann) Britton & Rose ssp. whipplei
Britton & Rose, Cactaceae, 3:213, 1922.Whipple's Cactus
Type: Bigelow s.n., Dec.3, 1853, MO. Colorado Chiquito (according to L.Benson, 1982) at Lithodendron Wash, a tributary of the Rio Puerco River, near the Colorado Chiquito, near Petrified Forest National Monument (MO; Isotype POM 317813).
Synonymy
Echinocactus whipplei Engelmann & Bigelow Proc. Amer. Acad.3:271, 1857 (reprint 1856); US Senate Rept. Expl. & Surv. R. R. Route Pacific Ocean. Botany. 4:28 pl.1, 1857.Sclerocactus whipplei (Engelmann & Bigelow) Britton & Rose var. pygmaeus Peebles, Leafl. West. Bot.5:192, 1949.
Pediocactus whipplei (Engelmann & Bigelow) Arp, Cact. & Succt. J. (US) 44:222, 1972.
Other representative material studied.
| Arizona: | fh 53.1, Holbrook, 1,600 m, fh 53.3, Agathe Peak, 1,500 m, fh 53.4, Lukachukai, 1,800 m, fh 53.1.0, near Leroux Wash, 1,550 m, fh 53.1.1, Tanner Wash, 1,600 m, fh 53.1.2, near Winslow, 1,530 m, fh 55, Ganado, 1,800 m, fh 55.2, Moenkopi Wash, fh 55.5, Nazlini, 1,900 m, fh 58, Joseph City, 1,600 m. |
| Utah: | fh 55.6, Tank Mesa, 1,500 m. |
Sclerocactus whipplei, fh 55.6, Tank Mesa, UT., 1,500m
Sclerocactus whipplei, fh 55.2, Moenkopi Wash, AZ.