melocactus

English Thesaurus

1. genus of strongly ribbed globose or spheroid cacti of tropical South and Central America and the Caribbean (noun.plant)

hypernym	:	caryophylloid dicot genus,
definition	:	genus of relatively early dicotyledonous plants including mostly flowers (noun.plant)

member meronym	:	cactaceae, cactus family, family cactaceae,
definition	:	constituting the order Opuntiales (noun.plant)