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.

0–11 per areole, in nearly all areoles to only in some marginal areoles or absent, spreading in all directions, yellow, aging brown, straight or curving, the longest stout, oval in cross section, 12–40(–60) mm, not markedly barbed.

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

inconspicuous, few to many in crescent at adaxial edge of areole, yellow, aging brown, often incurved, subequal to increasing in length toward adaxial edge of areole, to 4 mm.

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

filaments and anthers yellow;

style bright red;

stigma lobes yellow.

inner tepals light yellow throughout, 25–30 mm;

filaments yellow;

anthers yellow;

style and stigma lobes yellowish.

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

areoles 45–60, evenly distributed on fruit.

purplish throughout, stipitate, ellipsoid or barrel-shaped, 40–60 × 25–30(–40) mm, juicy, spineless;

areoles 6–10.

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

girdle protruding to 1 mm.

tan, subcircular, 4–5 × 4–4.5 mm, with slightly irregular surface;

girdle protruding to 1 mm.

= 88.

= 44 (cultivated), 66.