Echinocereus viridiflorus Engelmann 1848

brown-flowered hedgehog, brown-spined hedgehog, correll's green pitaya, golden-spine hedgehog cactus, green-flowered pitaya, davis's green pitaya, green-flowered torch cactus, green hedgehog, varied hedgehog, varied hedgehog cactus

Cereus chloranthus Engelmann 1856, Echinocereus chloranthus (Engelmann) F. Haage 1859, E. viridiflorus subsp. chloranthus (Engelmann) N. P.Taylor 1997 Cereus viridiflorus var. cylindricus Engelmann 1856, Echinocereus viridiflorus subsp. cylindricus (Engelmann) N. P. Taylor 1997; E. chloranthussubsp. cylindricus (Engelmann) Blum & Lange 1998 Echinocereus standleyi Britton & Rose 1922 Echinocereus davisii A. D. Houghton 1931, £. viridiflorus var. davisii (A. D. Houghton) W. T. Marshall 1941, E. viridiflorus subsp. davisii (A. D. Houghton) N. P.Taylor 1997 ?Echinocereus chloranthus var. neocapillus Weniger 1969, ?E. chloranthus subsp. neocapillus (Weniger) Fürsch 1993, ?E neocapillus (Weniger) Blum & Lange 1998 Echinocereus viridiflorus var. correllii L. D. Benson 1969, E. viridiflorus subsp.correllii(L D. Benson) Blum & Lange 1998 ?Echinocereus carmenensis Blum et al. 1998 ?Echinocereus chloranthus subsp. rhyolithensis Blum & Lange 1998

Plants solitary. Stems erect, globose, ovoid, elongate, or cylindrical, 1.2-12.5 cm (0.5-4.9 in) high, 1-5 cm (0.4-2 in) in diameter, partly obscured by spines. Ribs 6-18, well defined, tuberculate. Central spines 0-4, red, cream, or brown, to 2.5 cm (1 in) long. Radial spines 8-24, red, cream, or brown, to 1.8 cm (0.7 in) long. Flowers arising along the stems, usually opening widely, short funnelform, green to yellowish green, 2.5-3 cm (1-1.2 in) long and in diameter. Fruits spherical, green, very spiny. Distribution: South Dakota, Wyoming,

Colorado, Kansas, New Mexico, Oklahoma, and Texas.

Five subspecies of Echinocereus viridiflorus are recognized. Subspecies viridiflorus has ovoid to elongate stems with 10-14 ribs; it occurs throughout the range of the species except for Pecos and Brewster Counties, Texas. Subspecies chloranthus has cylindrical stems with 10-18 ribs; it occurs in southern New Mexico and west Texas. Subspecies correllii has stems to 12.5 cm (4.9 in) long, 10-14 ribs, and greenish yellow spines in horizontal bands; it occurs only on caballos novaculite chert. Subspecies cylindricus has cylindrical stems with 10-18 ribs but sometimes no central spines; it occurs from the Big Bend region of Texas into southern central New

^ v Echinocereus

^ viereckii subsp. viereckii

Echinocereus viridiflorus subsp. davisii

Mexico. Subspecies davisii has small, globose stems with 6-9 ribs; it is restricted to novaculite soils in Brewster County, Texas, and is listed as endangered in the U.S. Endangered Species Act.

Continue reading here: Echinocereus websterianus G E Lindsay 1947

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