Noun | 1. | ![]() liliopsid genus, monocot genus - genus of flowering plants having a single cotyledon (embryonic leaf) in the seed family Graminaceae, family Gramineae, family Poaceae, Graminaceae, Gramineae, grass family, Poaceae - the grasses: chiefly herbaceous but some woody plants including cereals; bamboo; reeds; sugar cane corn, Indian corn, maize, Zea mays - tall annual cereal grass bearing kernels on large ears: widely cultivated in America in many varieties; the principal cereal in Mexico and Central and South America since pre-Columbian times |