Echinocereusferreirianus h e Gates 1953

hedgehog cactus, lindsay's cactus, lindsay's hedgehog cactus

Echinocereus lindsayi i. Meyran 1975, E. ferreirianus var. lindsayi (J. Meyran) N. P. Taylor 1985, E. ferreirianus subsp. lindsayi (J. Meyran) N.P.Taylor 1997

Plants solitary to branched, sometimes forming clumps with several stems. Stems globose to cylindrical, green to gray-green, with the spines nearly obscuring the stems, to 40 cm (16 in) high, 4-10 cm (1.6-3.9 in) in diameter. Central spines 4-7, round, often curved, red, becoming dark or gray, 1.5-10 cm (0.6-3.9 in) long. Radial spines 8-14, whitish, 0.8-4.5 cm (0.3-1.8 in) long. Flowers arising near the stem tips, funnel-form, pale to deep or purplish pink, with dark orange to red throats, 6-10 cm (2.4-3.9 in) long, 4-9.5 cm (1.6-3.7 in) in diameter. Distribution: Baja California Peninsula, Mexico.

Two subspecies of Echinocereus ferreirianus are recognized. Subspecies ferreirianus has stems 30-40 cm (12-16 in) high and about 8 cm (3.1 in) in diameter, and almost always 4 central spines. It is found in the eastern part of central Baja California and adjacent islands in the Gulf of California. Subspecies lindsayi tends to have solitary stems no more than 13 cm (5.1 in) high and 10 cm (3.9 in) in diameter, and 4-7 central spines. It is known from only a very restricted area south of Catavina in central Baja California and is listed, also as a variety, in Appendix I of cites because of extensive illegal collecting. Subspecies lindsayi was believed to be extinct in the wild but another population was found at some distance from the type locality.

Echinocereus freudenbergeri G. Frank 1981 Echinocereus delaetii var. freudenbergeri (G. Frank) N. P. Taylor 1985, E. longisetus subsp. freudenbergeri (G. Frank) Blum 1998

Plants solitary to clustering. Stems cylindrical, green, to 15 cm (5.9 in) high, 4-6 cm (1.6-2.4 in) in diameter. Ribs 1418. Spines not readily differentiated as centrals and radials, 20-25, whitish to gray-brown to brown, to 2.5 cm (1 in) long. Flowers purplish rose to magenta, 6-8 cm (2.4-3.1 in) in diameter. Fruits ovate, carmine red, 20-25 mm (0.8-1 in) long, 15-20 mm (0.6-0.8 in) in diameter. Distribution: between Cuatrocienegas and Torreon, Coahuila, Mexico.

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