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.

absent.

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

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

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

filaments and anthers yellow;

style bright red;

stigma lobes yellow.

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

filaments whitish;

anthers yellow;

style green;

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

umbilicus 5–7 mm deep;

areoles (30–)36–52.

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

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.

= 88.

= 22.