Xerophyte

Habit

It is a perennial stem succulent. Plants usually solitary. Multiple branches may also been produced when the apex is damaged.

Central Spines

1, straight, not flattened, stiff, light brown to dark reddish brown 7 or more mm long.

Flowers

Several produced together around the stems apex, citron yellow becoming paler to yellowish in the throat or pale golden yellow, to 3-4 cm long and 5-6 cm in diameter; pericarpels and floral tubes with white wool and dark bristles. Stigma pale carmine.

Blooming Season

Summer.

Ribs

(18-)20-24, vertical or weakly spiralling, not distinctly tuberculate with chin-like humps below the areoles more evident near stem apex.

Stem

Globose to shortly columnar , dull green, to 8-10 cm tall and 5-6 cm in diameter or slightly larger in cultivation. Crown woolly and spiny.

Radial Spines

12 slender, needle-like, diverging, pale yellow or whitish, darker-tipped 5 mm long.

Fruits

Club shaped elongating at base, 1,5 cm long thin-walled.

Areoles

Initially white felted .