Botanical name: Mammillaria beneckei Family: Cactaceae (Cactus family)
Synonyms: Mammillaria barkeri, Oehmea beneckei
Benecke's Nipple Cactus is a variable species, usually offsetting and not very large. It has white radial spines and brown hooked centrals. Plants are solitary at first, later forming large clumps up to 50 cm or more wide. Flowers are yellow, with radiating star-like petals. The flowers open at night and close permanently around noon. Benecke's Nipple Cactus differs from the rest of Mammillarias and the differences are prominent when it flowers. The flower-tube is up to 3 cm long and a flower of bright yellow petals about 3 cm wide, one of the largest of its genus. Besides its seeds are quite large and rough compared to those of other Mammillarias. Benecke's Nipple Cactus is native to Southern Mexico.
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The flower labeled Benecke's Nipple Cactus is ...