Ferocactus haematacanthus Salm Dyck Bravo ex
Backeberg & F. M. Knuth 1935 Echinocactus electracanthus [var.] haematacanthus Salm-Dyck 1850, E. haematacanthus (Salm-Dyck) Monville ex F. A. C. Weber 1896, Bisnaga haematacantha (Salm-Dyck) Doweld 1999
Plants solitary, globose to cylindrical, green, glaucous when young, 30-120 cm (12-47 in) high, 26-36 cm (10-14 in) in diameter. Ribs 13-27 with confluent areoles when mature. Spines blood-red. Central spines 4,4-8 cm (1.6-3.1 in) long.
Ferocactus gracilis subsp. coloratus
Radial spines 6-7,2.5-3.5 cm (1-1.4 in) long. Flowers funnelform, purplish pink to rose purple, 6-7 cm (2.4-2.8 in) long and in diameter. Fruits ovoid, deep purple, 2-3.5 cm (0.8-1.4 in) long. Distribution: along the borders of Puebla and Veracruz, Mexico, at elevations above 2200 m (7200 ft).
Ferocactus hamatacanthus (Muehlenpfordt) Britton & Rose 1922
BIZNAGA DE TUNA, MEXICAN FRUIT CACTUS, TEXAS BARREL CACTUS, TURK'S-HEAD BARREL CACTUS, TURK'S-HEAD CACTUS, VIZNAGA, VIZNAGA BARREL CACTUS
Echinocactus hamatacanthus Muehlenpfordt 1846, Bisnaga hamata-cantha (Muehlenpfordt) Orcutt 1926, Hamatocactus hamatacanthus (Muehlenpfordt) F. M. Knuth 1935 Echinocactus longihamatus Pfeiffer 1848 Echinocactus sinuatus A. Dietrich 1851, Hamatocactus sinuatus (A. Dietrich) Orcutt 1926, Ferocactus hamatacanthus var. sinuatus (A. Dietrich) L. D. Benson 1969, F. hamatacanthus subsp.sinuatus (A. Dietrich) N. P. Taylor 1998, Bisnaga hamatacantha subsp. sinu-ata (A Dietrich) Doweld 1999 Echinocactus longihamatus var. crassispinus Engelmann 1856, Ferocactus hamatacanthus var. crassispinus (Engelmann) L. D. Benson 1974
Plants usually solitary, globose to cylindrical, to 60 cm (24 in) high and 30 cm (12 in) in diameter. Ribs 12-17, narrow to rounded, tuberculate. Spines brownish red. Central spines 4-8, round to flattened in cross section, curved backward to hooked at the tip, stiff, sometimes twisted, to 8 cm (3.1 in) long. Radial spines 8-20, more or less straight, 1.5-8 cm (0.6-3.1 in) long. Flowers funnelform with well-developed floral tubes, entirely yellow or yellow with red throats, 6-10 cm (2.4-3.9 in) long, 6.5-7.5 cm (2.6-3 in) in diameter. Fruits ovoid to oblong, green to pinkish red to red, 2.5-5 cm (1-2 in) long. Distribution: New Mexico, Texas, and throughout northern Mexico, mainly in the Chihuahuan Desert.
Buds, called cabuches, of Ferocactus hamatacanthus are commercially harvested and canned (Chapter 2, under Cacti as Food). Two subspecies of F. hamatacanthus are recognized. Subspecies hamatacanthus has stems to 60 cm (24 in) high, rounded but not compressed ribs that are strongly tuberculate, 4-8 central spines, and flowers that are yellow with red throats; it occurs in southeastern New Mexico, western and southern Texas, and throughout much of northern Mexico. Subspecies sinuatus has stems to only 30 cm (12 in) high, compressed and acute ribs, only 4 central spines, and completely yellow flowers; it occurs only in the plain of the Rio Grande in southeastern Texas and neighboring Mexico.
Continue reading here: Ferocactus herrerae J G Ortega 1927
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