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

Cortaderia selloana, pampas grass - tall perennial grass of pampas of South America having silvery plumes and growing in large dense clumps