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.

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.

absent.

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

numerous, nearly filling areole, red-brown to white, 1–2.5 mm.

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 yellow throughout, aging apricot to orange, obovate-apiculate, 25–38 mm;

filaments whitish;

anthers yellow;

style green;

stigma lobes dark 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.

red with green flesh, obovate, 20–35 × 15–23 mm, fleshy, short pubescent, spineless;

umbilicus 5–7 mm deep;

areoles (30–)36–52.

tan, 3.5–4.5 mm diam., thickish;

girdle protruding to 1 mm.

yellowish, elliptic to subcircular, angular, 3–3.5 × 2.5–2.8 mm, thick, sides smooth or with 1–2 depressions;

girdle protruding about 0.3 mm.

= 22.