ji bali pincushion cactus Coryphantha densispina Werdermann 1932
Plants usually solitary, globose, ovoid, or short cylindrical, pale gray-green, 7-9 cm (2.8-3.5 in) high, 6-7 cm (2.4-2.8 in) in diameter. Tubercles conical to cylindrical, ascending, firm, to 15 mm (0.6 in) long, axils naked. Central spines 4, rigid, strongly projecting, strongly curved, sometimes straight, whitish to tan to black, 13-24 mm (0.5-0.9 in) long. Radial spines 21-25, occasionally more, more or less pectinate, thin, whitish to tan, 8-19 mm (0.3-0.7 in) long. Flowers glossy pale yellow, to 5 cm (2 in) long, 6-7 cm (2.4-2.8 in) in diameter. Fruits green, to 10 mm (0.4 in) long. Distribution: Chihuahua and Coahuila, Mexico. Coryphantha werdermannii is listed in Appendix I of cites.
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