Sclerocactus glaucus (J. A.Purpus) L. Benson 1966
Cact. & Succt. J. (US) 38:53, 1966.Grand Mesa Purpus Cactus
Type: " In Colorado auf der Mesa Grande, am Dry Creek bei 1.800m". Purpus 60a, 61, 64 (syntypes). Purpus 62 (syntype) bei Gunnison (sic): derselbe n. 62. These specimens were originally deposited at the Berlin Museum but were destroyed during the second World War (Benson 1982). Lectotype: C.A.Purpus, Juni 1892, Arboles am Dry Creek Mesa Grande, Delta Co., Colorado, Höhe über dem Meer 5-6,000 (F 357 488).
Synonymy
Echinocactus glaucus J. A. Purpus, Monatsschrift Kakteenkunde, 5:106, 1895.Echinocactus glaucus J. A. Purpus ex Schumann, Gesamtband Kakteen, 438, 1898.
E. subglaucus Rydberg, Fl. Rocky Mts. 580, 1917.
Echinocactus whipplei Engelmann & Bigelow var. glaucus (J. A. Purpus) J.A.Purpus, Mitteilung Deutsche Dendr. Gesellschaft, 50: 1925.
Sclerocactus franklinii Evans, Cact. & Succt. J. (US) 11:74, 1939. Type: S rim of Gunnison Valley, one or two miles east of Delta, Delta County, Colorado. 5000īDS 255234.
Sclerocactus glaucus (J. A. Purpus) Arp, Cact. & Succt. J. (US) 44:221, 1972.
Sclerocactus glaucus (Engelmann & Bigelow) Britton & Rose var. glaucus (J. A. Purpus) Welsh Great Basin Naturalist 44 (1):67-68, 1984.
Other representative material studied.
| Colorado: | fh 29.2, Grand Mesa, 1,400 m, fh 29.3, De Beque, 1,600 m, fh 29.3.0, Mesa Co., 1,800 m, fh 29.3.0.1, Mesa Co., 1,400 m, fh 29.3.1, near Gunnison River, 1,450 m, fh 29.3.2, Mesa Co., fh 29.3.3, Delta Co.,1,500 m, fh 29.3.4, Colorado River, 1,500 m, fh 29.3.5, Grand Junction, 1,500 m, fh 29.3.6, Whitwater, fh 29.3.7, near Delta, fh 29.3.8, Kannah Creek, 1,600 m, fh 29.3.9, Dominguez Canyon, 1,650 m, fh 29.4.0, Escalante, 1,640 m, fh 29.4.1, Escalante Creek, 1,720 m, fh 29.4.2, Montrose Co., 1,770 m. |
Sclerocactus glaucus, fh 29.3.4, Colorado River