(This plant comes in a 3.5" pot. You will receive a very similar plant to the one in the picture. It may or may not be blooming at the time of your purchase. This plant is shipped in its pot to prevent any damage to the roots).
This is a Solitary and strongly armed cactus, it is a depressed-globose, about 8 to 12 cm broad, grey to bluish-green,
Thick but low, often wider than long, sometimes can grow up to 4 cm. wide; flowering groove rather conspicuous but narrow, extending from spines to about half-way to axil of tubercle;
Spines: It has 1-3 reddish-white-brown central spines with sharp yellowish-crimson tips, the longer ones up to 6 cm, and 6-8 reddish-white brown radial spines per areole. Ascending from and curved outward from middle, terete and somewhat angled at base. The spines are often highly coloured and maintain that bright tint on at least part of the spines for a long time but bleach out to a pale grey-brown as they became older.
Flowers: Light pink to almost white with a darker midline, never deep purplish pink. Filaments whitish, anthers honey/yellow, style yellowish, (eventually pinkish at top), stigma lobes pinkish/yellowish.
Spines are creamy-white to greysh-pink but wet spines are are bright red.
Family: Cactaceae (Cactus Family
Conservation status: Listed in CITES Appendix II
Cultivation: It is a summer growing species, easy to cultivate. Water regularly from spring to autumn, but do not overwater. It can become too elongated if the compost is too rich. Requires full sun or light shade and careful watering to keep plant compact with strong colored spines. It needs good drainage and a very porous potting mix. In winter, keep dry.
Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz