Parodia penicillata

Native to the highlands of northern Argentina, is usually a solitary, small- growing, cactus

Flowers: Funnel-shaped, orange-yellow or brilliant red in an apical circle. Dried flowers remain for a long time on the plant body after blooming.
Blooming time: Summer

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