Xerophyte

Seeds

1,2 mm wide, dark and rough textured.

Flowers

5 to 7 cm long, tubular and slightly zygomorphic, yellowish orange, red to crimson or magenta at the end of the petals and white below. Floral tube 3-4 cm long and 5 mm thick. Filaments basally white and reddish toward the tips. The style is orange to golden yellow , with 5 pale green to golden yellow stigma lobes.

Ribs

Up to 26, strongly tuberculate up to 6 mm hight.

Stem

Globular to cylindrical, 7-10 cm in diameter, up to 30 cm high, green, densely covered and almost invisible under the numerous spines.

Radial Spines

15 to 25 setaceous up to5 cm long, white to yellowish or even brown or blackish.

Fruits

Spherical, about 8 mm in diameter, greenish-brown when ripe.

Areoles

Set closely together, light brown, about 5 mm long and 3-5 mm wide 3 to 5 mm apart with an abundance of wool when young, but without any when old.