Xerophyte

Seeds

With a wide concave horseshoe-shaped edge, that almost entirely covers the hilum area. Testa shiny, light brown, with small papillae.

Roots

Turnip like, spherical, merging with the stem.

Flowers

From areoles near the top of fragrant, 45-48 mm long, 40-44 mm in diameter, pearly white with pink gloss, pink throat, sometimes brownish yellow. Outer tepals lanceolate, 22-24 mm long, 5-6 mm wide, pearly white with a pink belt and pink middle, sometimes greenish-brown at the base. Inner petals lanceolate, 18-21 mm long, 4 mm wide, pearly white, with pink, sometimes greenish-yellow base. Filaments greenish pink at the base, 6-8 mm long, arranged in two rows, the lowermost row close to the large pink nectarium (c.3.5 x 3.5 mm), the other inserted on the tube wall, anthers oval to oblong, yellow. Pistil about 17 mm long, 1.5 mm in diameter, stigma lobes mostly 7, yellow. Ovary with a heart-shaped chamber, 11-15 mm long, 5-7 mm wide.

Spines

3, claw-shaped, pointing downward, adpressed to the body, firm, brown when young, early greying, the two lateral 7-9 mm long, the intermediate one 3-5 mm long.

Ribs

10 to 12, separated by a straight, longitudinal furrow, 23-24 mm wide, flat, more lifted towards the tip or the stem, with small chin-like protrusions.

Stem

Disc-shaped, flat, epidermis brownish-grey to brown-green.

Fruits

Oval to oblong-oval, 33-35 mm long and 10-11 mm in diameter, brownish-green, sometimes purple frosted, green seed loops.

Areoles

Small, round, slightly nested, 3 x 3 mm, only the youngest with white felt, almost bare as they ages.