Xerophyte

Habit

It is a basally branching columnar cactus, 15-90 cm tall.

Central Spines

1 to 2 rarely more than 1 cm long.

Flowers

Diurnal, funnelform, 7-10 cm long, mostly bright red produced near the end of the stems. Throat dark red, filaments fuchsia. Perianth-segments narrow, acuminate, 4 to 5 cm long, dark pink to dark red. Anthers clear pastel and stigma pure white. Scales on the ovary narrow, 10 to 12 mm long, a little hairy in their axils.

Spines

Needle-like, subulate, unequal, yellowish to brownish.

Ribs

12 to 18.

Stem

Globose to short-cylindric, 5-10 cm, in diameter.

Radial Spines

9 to 11 brownish 5-10 mm long.

Areoles

Whitish brown about 1 cm apart.