caryophylloid dicot genus - genus of relatively early dicotyledonous plants including mostly flowers

Cactaceae, cactus family, family Cactaceae - constituting the order Opuntiales

prickly pear, prickly pear cactus - cacti having spiny flat joints and oval fruit that is edible in some species; often used as food for stock

cholla, Opuntia cholla - arborescent cacti having very spiny cylindrical stem segments; southwestern United States and Mexico