Xerophyte

Central Spines

3-5, spreading, straight or curved upward, 2-3 cm long.

Note

“perezassoi” For A. Pérez Asso of the Museo Nacional de Historia Natural, La Habana, Cuba, who first collected the taxon.

Cephalium

Hemispheric to cylindrical elongate, 4-9 cm high, 6-8 cm in diameter, with dense wool and salmon to orange-red bristles.

Flowers

Open in afternoon, exserted 6-8 mm above the cephalia, pale pink, 2.8-3.4 cm long, 1.2-1.5 cm in diameter.

Spines

17-24, slender, yellow to horn colored to brown.

Ribs

12-13, vertical, acute. Plants

Stem

Solitary or occasionally branching, subglobose to ovoid, light to yellowish green, 11-16 cm high, 10-15 cm in diameter.

Radial Spines

14-19, curved slightly upward, 0.5-2.5 cm long.

Fruits

Club shaped, pale pink to white, 2.3-2.8 cm long, 6-8 mm in diameter.

Areoles

Elongate, sunken.