Synonyms:

-Echinocereus triglochidiatus var. mojavensis f. inermis

Habitat:

-It is widely spread in the United States: from California to Colorado and Nevada, Utah, Arizona, California and Baja California, in Mexico.

Description:

Echinocereus triglochidiatus var. mojavensis f. inermis is the spineless form of Echinocereus triglochidiatus var. mojavensis. It can present short spines (partially nudum plants). It is a cactus plant that can form very large clumps (up to half a mt in diameter with more than a hundred heads). Its stem is usually erected, pale green to blue-green, it is ribbed with white areoles covered in wool. It has 5-11 white spines per areole, one or two central spines that cannot be distinguished from the central ones easily. During spring, it produces solitary flowers.

Cultivation:

-E. triglochidiatus var. mojavensis f. imermis is one of the easiest plant to grow. It is rot prone: keep dry in winter and use a well-drained soil. It needs full sun to bloom, water regularly in spring and summer (till October). It is a very cold resistant species, some are hardy to -6°C but others can tolerate even cooler temperatures.

Propagation:

-Propagate by seeds or cuttings (using the branches).

Curiosity:

-It is commonly called Claret Cups.
-This plant is called inermis refers to its lack of spines, even if that’s not entirely true (but almost).