mammillaria

English Thesaurus

1. any cactus of the genus Mammillaria (noun.plant)

hypernym	:	cactus,
definition	:	any succulent plant of the family Cactaceae native chiefly to arid regions of the New World and usually having spines (noun.plant)

member meronym	:	genus mammillaria,
definition	:	large genus of cacti characterized chiefly by nipple-shaped protuberances or tubercles on their surface (noun.plant)