Xerophyte

Central Spines

1, erect, up to 5 cm long.

Description

Plants solitary, very spiny globose to subglobose,

Note

The plants found in in cultivation are quite variable for spine size, ribs number and colour of the flowers. Salm-Dyck say that it is closely related to Stenocactus anfractuosusSN|6195]]SN|6195]].

Flowers

Small , funnelform, typically sulfur yellow but also pinkish-white with darker midribs, to 2.5 cm long and 3.8 cm in diameter; floral tubes long.

Blooming Season

Spring to late summer and last 3-4 days.

Ribs

Numerous, 26-40, thin, undulating with only few areoles.

Stem

Light green, 7-10 cm in diameter, depressed at the apex.

Radial Spines

7-8, white or yellowish with brownish tip, becoming grayish white, awl shaped, to 2.5 cm long.