Xerophyte

Habit

It is a geophyte cactus, usually solitary, or slowly branching to form small clumps.

Roots

Large taproot, carrotlike.

Flowers

Diurnal, broadly funnel-form, pure yellow to orange with usually a greenish throat circle, 3-4 cm wide. Scales on flower tube with long wool.

Spines

Not heavy, pale pink/brown, orangish to dark brown.

Stem

Somewhat depressed, globose to short cylindrical. Silky, somewhat shining, grey-green, to pinkish or brownish-green, 5-8 cm tall, 5-7 cm in diameter.

Fruits

Globose to ovoid, green to brownish-violet, semidry, dehiscent.

Areoles

Nearly circular white, felted.