Plants unbranched, usually deep-seated in substrate and inconspicuous. Roots diffuse, upper portion not enlarged. Stems depressed-spheric to short cylindric, (1-)2-3.5 × (1.4-)2-4(-7) cm, firm; tubercles 3-6(-8) × 2-3 mm; axils without evident hairs; cortex and pith not mucilaginous; latex clear or slightly milky, sporadic, only in outer cortex. Spines (26-)40-60(-90) per areole, in several series but all equally thin, mostly appressed, white or very pale pink, often minutely tipped pinkish brown, innocuous, bristlelike, 0.6-5(-6) × 0.05-0.1 mm, glabrous to plumose, all interpreted as radial, innermost spines shortest; central spines 0. Flowers 0.9-1.5(-2) × 0.8-1.3(-1.8) cm; outermost tepal margins entire (or minutely and irregularly lacerate); inner tepals white or cream, usually with sharply defined midstripes of green, yellow, tan, pink, pale purple, or reddish, 4.5-8 × 1.5-2.7 mm; stigma lobes yellow or pale yellow-green to green, 0.3-1 mm. Fruits scarlet, cylindric or clavate, 10-20(-25) × (3-)4-8(-11) mm, juicy mostly in fruit walls; floral remnant persistent. Seeds black, 1-1.2[-1.4] × 0.8[-1.1] × 0.8 mm, pitted; testa hard; interstices equaling pit diameters; pits bowl-shaped. 2n = 22.
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A cactus. It grows close to the ground. The stems are 2-3.5 cm long. The fruit are bright red and cylinder shaped. They are 1-2 cm long.
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