Plants solitary, occasionally branching dichotomously, globose, dark green, becoming olive green with age, 3-5 cm (1.2-2 in) high and in diameter. Tubercles ovoid to short conical, to 13 mm (0.5 in) high, axils naked. Central spine usually one, as many as 4 on older areoles, brownish with dark tip, straight, erect, 8-15 mm (0.3-0.6 in) long. Radial spines 9-11, whitish to brownish, with dark tips, radiating,
6-8 mm (0.2-0.3 in) long. Flowers intense yellow, to 4 cm (1.6 in) long, 5-6 cm (2-2.4 in) in diameter. Fruits cylindrical, olive green, to 19 mm (0.7 in) long. Distribution: San Luis Potosi, Mexico.
Was this article helpful?
You Might Just End Up Spending More Time In Planning Your Greenhouse Than Your Home Don’t Blame Us If Your Wife Gets Mad. Don't Be A Conventional Greenhouse Dreamer! Come Out Of The Mould, Build Your Own And Let Your Greenhouse Give A Better Yield Than Any Other In Town! Discover How You Can Start Your Own Greenhouse With Healthier Plants… Anytime Of The Year!