Family:
Cactaceae
Subfamily:
Cactoideae
Name:
Echinocactus horizonthalonius Lemaire subsp. horizonthalonius Cact. Gen. Sp. Nov.: 19 (1839)
Alt. Name:
Basionym:
Synonyms:
Echinocactus equitans Scheidweiler (1839: 88)
Echinocactus horizontalis Mittler (1844: 42) nom. nud.
Echinocactus pachycornis Muehlenpfordt (1846: 371)
Echinocactus horizonthalonius var. curvispinus Salm-Dyck (1850: 27, 146)
Echinocactus horizonthalonius var. centrispinus Engelmann (1856: 276)
Echinocactus laticostatus Engelmann (1857: 32) nom. nud.
Echinocactus horizonthalonis Nicholson (1888: 539)
Echinocactus horizontalonius mexicanus Lorenz in Remark (1890: 34) nom. nud.
Echinocactus horizonthalonius var. nigrispina Ferd. Haage jun. Cact. Kult.: (1899: 140) nom. nud.
Echinocactus horizonthalonius var. obscurispina Meyer (1911: 181-182)
Echinocactus horizonthalonius var. laticostatus (Engelmann) Schmoll (1947) nom. nud.
Echinocactus horizonthalonius var. equitans (Scheidweiler) Schmoll (1947)
Homalocephala horizonthalonius (Lemaire) Weniger Cacti of the Southwest (1970: 69) nom. inval. (Art.33 ICBN 1988)
Echinocactus horizonthalonius f. cristatus nom. nud. Shaboten 94 Coverphoto (1977)
Echinocactus horizonthalonius var. grandiflorus Ito (1988: 474) nom. inval. (Art. 37.1 ICBN 1988)
Meyerocactus horizonthalonius (Lemaire) Doweld Succulenta 75 (5): 271 (1996)
Echinocactus horizonthalonius subiki Dráb & Staník Cactaceae etc. 1: 8-9 (1998)
Echinocactus horizonthalonius subsp. diabolicus Halda, L.Vacek & Vaško Acta Mus. Richnov., Sect. Nat. 13(1): 1 (-3; figs.) 2006 (pending if not of hybrid origin).
Type:
Lectotype: Lemaire, Iconographie descriptive des Cactées. Plate 1 (Dec. 1841), designated by Unger Kugelkakt. Nordamer.: 38 (1992)
Type Locality:
Not designated. Depicted plant was probably collected by Galeotti in the state San Luis Potosí or Guanajuato.
Distribution:
Mexico: Chihuahua, Coahuila, Nuevo Leon, Tamaulipas, Durango, Zacatecas, Guanajuato, San Luis Potosí, Sonora
USA: Texas, New Mexico, Arizona
Altitude:
600 – 2500m
Collection No:
Lau627; Rep360, 424, 443, 456, 461, 483, 496, 512, 1534, 1859, 1868
Flowering:
Extra Info:
Compiler:
Unger, Gottfried / at / 2018.3.17.
