Xerophyte

Central Spines

6, stronger; 3 straight pointing upward, 2 pointing sideward, up to about 22 mm long, slightly bent, yellow to golden yellow. One (the longest) pointing downward, hooked and (30) - 100 mm long, mostly yellow to amber-yellow but also rusty yellow or in different brown tones.

Seeds

0.8 mm long, 0.55 mm wide, the edge of the hilly area slightly arched, testa shiny black, with small round tubercles.

Note

The plant was named, in honour of its discoverer the Viennese typographer and cactus hunter Walter Rausch.

Flowers

Red to orange red. Pericarpel pink, 10 mm long, 7 mm wide, completely covered with tiny red scales and long white hairs. Receptacle pink lilac, thick-walled, below about 8 mm in diameter, above up to 20 mm in diameter, 18 mm long. All the areoles bear long yellow-brown wool, a single black bristle is only preset in the highest areoles, scales are very small, far distant, red with dark tips. The tepals are orange with red central stripe, whitish at the base.

Ribs

About 15 spirally arranged, fairly continuous slightly narrowed between the areoles.Radial spines. About 25, pale yellow, 10-12 mm long

Stem

Solitary, green, up to 25 cm tall and 15 cm in diameter, apex densely clothed by creamy-white to tan wool and thorns.

Fruits

Hollow, elongated and soft 23 mm tall, lilac pink, covered with tiny red scales and long white hairs.