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.

segments not disarticulating, bright green, flattened, circular to elliptic-obovate, (5–)7–10(–15) × (3–)4–8(–10) cm, low tuberculate, puberulent;

areoles (9–)11–16 per diagonal row across midstem segment, subcircular, 2–5 mm diam.;

wool white to tan, aging gray.

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.

absent.

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

numerous, nearly filling areole, usually yellow or whitish, sometimes reddish brown, to 3 mm.

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

filaments and anthers yellow;

style bright red;

stigma lobes yellow.

inner tepals bright yellow throughout, aging peach, 25–30 mm;

filaments and style white;

anthers yellowish;

stigma lobes dark green.

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

areoles 45–60, evenly distributed on fruit.

red, spheric to ovoid, 20–25 × 12–16 mm, fleshy, pubescent, spineless;

areoles 35–50.

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

girdle protruding to 1 mm.

tan, nearly spheric (slightly flattened), 1–1.2 mm (perhaps infertile);

girdle protruding to 0.5 mm.

= 88.

= 22.