Xerophyte

Central Spines

5-6, slender, needle-like, straight, pubescent, glassy yellow, 5-9 mm long.

Seeds

Black.

Note

zublerae For Ruth Zubler, Swiss cactus enthusiast in Breisach near Basel who discovered this plant in 1981.

Tubercles

Cylindrical to conical, soft, without latex, axils with yellowish wool.

Flowers

Clear yellow, to 15 mm long and in diameter.

Stem

Globose to cylindrical to club shaped, green, 2-5 cm high, 2-4.5 cm in diameter.

Radial Spines

20-24, fine, bristle-like, straight or curving, white with yellowish tips, 4-7 mm long.

Fruits

Bright red.