Thelocactus lloydii major

Thelocactus lloydii major is a solitary and strongly armed cactus with depressed and globose form. It is a grey to bluish-green cacti. It has reddish-white-brown central spines that have sharp yellowish-crimson tips. It grows up to 8-12 cm broad . It blooms a light pink to almost white with a darker midline. The stigma is a pinkish to yellowish coloring. This summer growing species is easy to cultivate.

Water: regular from Spring to Autumn (dry in winter)
Sun exposure: full sun to light shade

Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz