Flora of North America species comparison

segments whorled or subwhorled, gray-green, often drying blackish, ± spiny throughout, terminal ones easily dislodged, 6–16(–23) × 2–3.5 cm;

tubercles salient, broadly oval, 0.8–1.3(–1.9) cm;

areoles obdeltate, 5–7(–10) × 2.5–4 mm;

wool gold to tan, aging gray to black.

(5–)8–15(–30) per areole or spineless to nearly spineless, usually at most areoles, not obscuring stems, spreading, straight or slightly curved, silver to yellow to usually ± red or tan to brown, stout, terete or sometimes flattened basally, 8–30(–40) mm subequal;

sheaths silver to yellow to usually tan to dirty white, yellow tipped.

0–12(–18) per areole, at most areoles to nearly absent, yellowish, sometimes also pale pinkish, aging brown, interlaced or not with spines of adjacent areoles;

abaxial spines erect to deflexed, spreading, flattened basally, the longest to 3.5 cm;

adaxial spines erect or spreading, terete to subterete, longest to 2.5 cm;

sheaths uniformly whitish, yellowish to golden, baggy.

in dense adaxial tuft, pale yellow, 0.5–3 mm.

in adaxial tuft, sometimes also scattered along areole margins, yellow, 1–3 mm.

inner tepals dark pink to magenta to red-magenta, obovate, apiculate, 15–35 mm;

filaments green basally to pink to magenta distally;

anthers yellow;

style light green basally or pink to red-magenta apically;

stigma lobes green or cream.

inner tepals usually reflexed, pink to magenta, obovate to ligulate, 12–16 mm, apiculate emarginate;

filaments pale pink to magenta;

anthers white to cream;

style pinkish;

stigma lobes whitish to pale yellow.

not proliferating, yellow, obovoid, 24–45 × 20–40 mm, fleshy, tuberculate, spineless;

areoles 18–30;

tubercles nearly equal in length or longer in proximal portion of fruit, prominent (occasionally smooth at maturity);

umbilicus 7–14 mm deep.

proliferating, forming long, branching, pendent chains, at maturity gray-green, often stipitate, obconic, fleshy, shallowly tuberculate, usually spineless;

basal fruits 32–55 × 23–45 mm;

terminal fruits 2–3.3 × 1.3–2.3 cm;

tubercles becoming obscure;

umbilicus to 8 mm deep;

areoles 18–35.

yellow-tan, subcircular to angled, warped, 2.5–4 mm diam., sides smooth to slightly lumpy;

girdle usually narrow, not protruding.

pale yellow to brownish, angular to very irregular in outline, warped, 1.9 × 1.5–3.5 mm, sides with 1–2 large depressions, hilum pointed;

girdle smooth.