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.

1–3(–4) per areole, ± evenly distributed on stem segment, porrect to spreading, gray to whitish or cream, tipped black, straight, acicular, to 40 mm, barbed.

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

yellow, aging brown, 4–9 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, 20–25 mm;

filaments pale green to yellow;

anthers yellow;

style pale green or white, pink tinged;

stigma lobes color unknown.

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, ovoid to obovoid, 25–30 × 15–20 mm, fleshy, glabrous, bearing few areoles, spineless.

tan, 3.5–4.5 mm diam., thickish;

girdle protruding to 1 mm.

tan, subcircular, somewhat flattened, 2.5 mm diam.;

girdle protruding less than 1 mm.

= 22.