Flora of North America species comparison

segments green, broadly oblong to ovate to narrowly elliptic, (20–)4–60 × 2–3+ cm, low tuberculate;

areoles 7–11 per diagonal row across midstem segment, rhombic to subcircular, 2–4(–5) mm diam.;

wool brown.

1–6 per areole, absent or very highly reduced, or in marginal to nearly all areoles, erect to spreading, whitish, tan, or brown, setaceous only or setaceous and subulate, straight to slightly curved, basally angular-flattened, 1–10(–40) mm; 0–2 small bristlelike deflexed spines to 5 mm.

5–8(–10) per areole, best developed in distal areoles, usually reflexed, spreading or some erect in marginal areoles, red-brown (often with darker annular rings) with yellow tips, aging blackish, straight or weakly curved, not or slightly flattened near bases;

central spines 1(–2), much longer and stouter, ± acicular, 10–40 mm.

along adaxial margin of areole and small, inconspicuous tuft, yellowish, aging brown, less than 2 mm.

crowded in crescent at adaxial edge of areole and subapical tuft, radiating and well developed in old stem segments, yellow, to 3 mm.

inner tepals yellow to orange throughout, 25–50 mm;

filaments and anthers yellow;

style bright red;

stigma lobes yellow.

inner tepals cream to lemon yellow, orangish abaxially on midvein areas, broadly spatulate-apiculate, 20–30 mm;

filaments cream-yellow;

anthers pale yellow;

style pale cream;

stigma lobes pale greenish yellow.

yellow to orange to purple, 50–100 × 40–90 mm, fleshy to ± juicy, glabrous, usually spineless;

areoles 45–60, evenly distributed on fruit.

red, subspheric, 15–28 × 12–23 mm, fleshy, glabrous, spineless;

umbilicus 4–5 mm deep;

areoles 24–36.

pale tan, subcircular, 4–5 mm diam., warped;

girdle protruding to 1 mm.

tan, subcircular to reniform, flattened, warped, 3–4 × 2.7–3.5 mm, 2 mm thick;

girdle protruding 0.5–0.8 mm.

= 88.

= 22, 44.