Flora of North America species comparison

(0–)1–4 per areole, in all but proximal areoles of stem segment, usually all deflexed, yellow with whitish to pinkish basal coating, moderately stout to acicular, the longest 1.5–2.8 cm;

sheaths whitish at bases to golden at tips.

in adaxial tuft and marginal about areole, yellow, 1–3 mm.

inner tepals greenish bronze or red to magenta, spatulate- to obovate-apiculate, 10–15 mm;

filaments reddish;

anthers light yellow;

color of style and stigma lobes unknown.

commonly sterile, often proliferating, green, becoming yellow with red blush to red, obconic to obovate-stipitate, 15–23 × 10–20 mm, fleshy, moderately tuberculate;

umbilicus deep, 3–4.5 mm;

areoles 10–18, a few producing 1(–2) short spines.

tan, angularly subcircular to broadly oval, warped, 3–4 × 3–3.5 mm;

girdle broad, lumpy, little protruding.

= 22.