Neoporteria coimasensis

Solitary spherical to short cylindrical cacti with very spiny stems, up to 15 (30-40) cm tall, 6 -10 cm in diameter.Flowers: magnificent hot pink/magenta with a contrasting neon yellow throats in spring up to 5 cm long.Cultivation and propagation: It is a summer grower species. Easy to cultivate but somewhat rot prone if kept in a non-ventilated place. Water regularly in summer, but do not over water, needs a full sun exposure (or light shade) Good heat tolerance.Hardy to at least -5°C (but probably can tolerate - 10° C for brief periods.)Propagation: Usually propagated from Seeds. (seldom produces offsets) Some of the information in this description has been found at desert-tropicals.com, llifle.com and cactus-art.biz