Melocactus deinacanthus Buining Brederoo 1973

WONDERFULLY BRISTLED TURK'S-HEAD CACTUS

Plants globose to elongate, becoming fairly large, 15-35 cm (5.9-14 in) high, 12-25 cm (4.7-9.8 in) in diameter. Ribs 10-12, acute. Central spines 4-7, reddish brown, to 53 mm (2.1 in) long. Radial spines 11-14, somewhat curved, to 80 mm (3.1 in) long. Cephalia to 25 cm (9.8 in) high and 9 cm (3.5 in) in diameter, with exposed bristles at the tips. Flowers pinkish magenta, to 26 mm (1 in) long and 12 mm (0.5 in) in diameter. Fruits club shaped, completely white, 12-22 mm (0.5—0.9 in) long. Distribution: southern central Bahia, Brazil. Melocactus deinacanthus is listed in Appendix I of cites.

Melocactus ernestii Vaupel 1920 Melocactus oreas subsp. ernestii (Vaupel) P. J. Braun 1988 Melocactus erythracanthus Buining & Brederoo 1973 Melocactus longicarpus Buining & Brederoo 1974,1W. deinacanthus subsp. longicarpus (Buining & Brederoo) P. J. Braun 1988, M. ernestii subsp. longicarpus (Buining & Brederoo) N. P. Taylor 1991 Melocactus florschuetzianus Buining & Brederoo 1975, M. deinacanthus subsp. florschuetzianus (Buining & Brederoo) P. J. Braun 1988 Melocactus mulequensis Buining & Brederoo 1976 Melocactus azulensis Buining Brederoo &Theunissen 1977 Melocactus longispinus Buining Brederoo &Theunissen 1977, M. oreas var. longispinus (Buining Brederoo &1Tieunissen) P. J. Braun 1988 Melocactus interpositus F. Ritter 1979 Melocactus montanu s F. Ritter 1979 Melocactus nitidus F. Ritter 1979 Melocactus neomontanus Heek & Hovens 1984

Plants subglobose to short cylindrical, light yellowish green to dark green, 9-45 cm (3.5-18 in) high, 7-35 cm (2.8-14 in) in diameter. Ribs 9-13, more or less rounded but sometimes with acute edges. Spines with red and yellow bands or reddish or brownish. Central spines 3-8, lowermost curved or straight, 3.2-9 cm (1.3-3.5 in) long. Radial spines 7-13, straight or curved outward, 4-15 cm (1.6-5.9 in) long. Cephalia to 18 cm (7.1 in) high and 8 cm (3.1 in) in diameter, with pinkish red bristles, the tips sometimes covered with white wool. Flowers light to dark pinkish magenta, 19.5-29 mm (0.8-1.1 in) long, 9-18 mm (0.4-0.7 in) in diameter. Fruits deep pink to red apically, variable in size, 14-45 mm (0.6-1.8 in) long. Distribution: Bahia and Minas Gerais, Brazil.

Melocactus Deinacanthus

Two subspecies of Melocactus ernestii are recognized. Subspecies ernestii has distinctly mucilaginous stems with 10-13 ribs; it occurs in Bahia and northeastern Minas Gerais. Subspecies longicarpus lacks mucilage in the stems, which have 9-11 ribs; it occurs in southern Bahia and northern Minas Gerais.

Continue reading here: Melocactus estevesii P J Braun 1989

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