Xerophyte

Seeds

Bell- to cap-shaped, coat warty, dull brownish-black.

Flowers

Very large, broadly funnel-shaped, about 45 mm long and 50 mm in diameter, typically crimson with whitish throat with white throat. Outer tepals dark crimson. Tube pale brownish-orange, scales small tipped greenish red, with thin flexuous hairs up to 10 mm long and an occasional bristle in the axils. Stigma pale green.

Blooming Season

Late spring.

Spines

Not strongly differentiated into centrals and radials. Centrals1-4, bristle-like, rigid, stiff, white or yellowish with brown base. Radials 6-8, less than 12 mm long.

Ribs

Spiralling with deep lateral incisions between areoles.

Fruits

Flattened-spherical about 8 mm in diameter, brownish-orange to reddish, densely covered with long hairs.

Areoles

Elliptical with white wool.