Flora of North America species comparison

segments not disarticulating, dark or bright shiny green, wrinkling when stressed, circular to broadly oblong to obovate, 5–17.5 × 4–12 cm, fleshy, usually tuberculate, glabrous;

areoles 4–6 per diagonal row across midstem segment, oval to circular, 2–4 mm diam., not raised, sometimes somewhat sunken;

wool tan to brown.

segments not disarticulating, green, flattened, narrowly to broadly obovate, 6.5–15 × 3–11 cm, low tuberculate, glabrous to papillate;

areoles (4–)7–8 per diagonal row across midstem segment, subcircular, 3–3.5 mm diam.;

wool white.

often absent or 1–2(–3) per areole, spreading, whitish to brownish, terete, straight, and usually stout, 25–60 mm; occasionally also 1 deflexed spine present.

(0–)1–3(–4) per areole, in distal 20–50(–70)% of areoles, porrect to reflexed, yellow-gray to whitish gray, sometimes brown in basal 1/2, straight, sometimes curved, usually flattened, slender, longest (35–)50–70 mm.

in dense crescent of adaxial edge of areole and in dense tuft overtopping crescent in age, yellow to red-brown, to 4 mm.

conspicuous, in broad, dense crescent at adaxial margin of areole, red-brown, to 4 mm, sides sometimes converging into columns.

inner tepals pale to bright yellow throughout, 20–30 mm diam.;

filaments yellow to orange;

anthers pale yellow to cream;

style and stigma lobes white.

inner tepals magenta throughout, 25–35 mm;

filaments yellow to red-orange to magenta;

anthers yellow;

style white;

stigma lobes green.

greenish, tardily becoming apricot to brownish red, elongate, 30–50 × 12–20 mm, fleshy, tapering at base;

pulp green and sour, becoming reddish and sweet under ideal conditions;

areoles 10–18.

tan, 20–30 × 18–20 mm, maturing dry, glabrous to papillate;

areoles (16–)24–34, distal areoles bearing 1–4 short spines.

tan, 3.5–4.5 mm diam., thickish;

girdle protruding to 1 mm.

tan, oval to subcircular, 6.5–8 mm, warped;

girdle protruding 1.5–2 mm.

= 88.