This semi-columnar plant resembles a stiff-bristled brush and varies considerably in spine color from whitish to yellow to red. Habit too varies from stout and upright to varying degrees of pendent. The form offered here is one of the most desirable, selected for its upright, grenadier-cap-like habit and attractive reddish spination. Robust seedlings, HBG 108294, $7.
Published in the Cactus and Succulent Journal, Vol. 88 (3), May-June, 2016