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.

commonly absent or evenly distributed with 1–3(–8) per areole, deflexed, yellow or brown, tipped yellow or mottled brown, straight, acicular, the longest to 50 mm.

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

widely and evenly spaced, conspicuous, radiating like star or pincushion, pale to deep red-brown, sometimes tipped yellow, 3–8 mm.

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

filaments and anthers yellow;

style bright red;

stigma lobes yellow.

inner tepals yellow, orange, or deep red (rarely magenta), to 30 mm;

anthers yellow;

filaments and style usually cream to pink;

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.

purplish red, ovoid to pyriform, 30–38 × 17–25 mm, juicy, glabrous, spineless;

areoles 24–26.

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

girdle protruding to 1 mm.

subcircular, 3–3.5 mm diam.;

girdle size unknown.

= 88.

= 44.