Xerophyte

Seeds

Brown-black, hemispherical to helmet-shaped with large basal hilum.

Flowers

Often numerous, borne on the sides of the stems from older areoles, whitish pink, to pale rose pink, 4-4.2(-4.5) cm long and in diameter with a thin tube. Flower bud spherical, 3-4 mm wide, pink, covered with tiny, dark pink scales, white haird and several yellowish bristles.Tube noticeably thin, only 2-2.5 mm wide, about 22 mm long, outside pale pink, covered as well as a the flower bud by scales. Outer perianth segments lanceolate, up to 20 mm long and 5 mm wide, pink or white with a medium pink strip. Inner perianth segments slightly longer and wider, lighter to white. Stamens white, protruding 7-10 mm from the top of the flower tube. Anthers light yellow. Style about 25 mm long, white, protruding at least 10 mm, from the flower tube. Stigma-lobes 6-7 light yellow, exerted above the level of the highest anthers.

Spines

10-30, hardly distinguishable as radials or centrals , thin, needle-like, straight, spreading, whitish to yellowish, 2-3(-5) mm long. Central spines up to 6 sometimes somewhat darker.

Ribs

18-22, arranged in spirals and forming low tubercles approx. 4 mm wide and 2 mm high.

Stem

Globose, greenish-grey, slightly depressed apically, 3-3.5 cm high, 2.5-3.5 cm thick, with fibrous roots.

Fruits

Spherical, about 4 mm large, pinkish brown, covered with several scales.

Areoles

Circular, prominent, l, 1.5-2 mm long and 1 mm wide, creamy white to brownish.