Flora of North America species comparison

6–12 per areole, in all but proximalmost areoles, spreading, usually deflexed in abaxial ones, pale red-brown to dark brown, acicular, the longest to 2 cm;

sheaths pale yellow-brown, shiny.

in adaxial crescent and few along margin of areole, yellow to brown, 0.5–2.5 mm.

inner tepals rose to magenta, to 20 mm;

filaments yellow-green to distally tinted pink to magenta;

anthers yellow, sometimes bearing stigma-tipped, stylelike appendages;

style greenish yellow to often pink distally;

stigma lobes yellow to white.

usually sterile, often proliferating into short erect chains of 2–5 fruits, green, broadly ovoid to top-shaped, 21–25(–35) × 20–32 mm, fleshy, smooth to shallowly tuberculate, spineless;

umbilicus broadly shallow, 5–7 mm deep;

areoles (20–)25–35.

rare, globose;

girdle smooth.

= 22, usually 33.