Species: Agrostis mertensii
Encyclopedia of Puget Sound
Northern Bentgrass is a tufted perennial which can be up to 4 dm tall. The flat leaves are 1-3 mm wide, and the membranous crest where the blade meets the stem (ligule) is 1-2 mm long. Foliage is glabrous or slightly roughened. 1-flowered spikelets are borne on the ends of erect or ascending branches in an open inflorescence. The pointed glumes are 2-3 mm long, and lemmas are about the same length as the glumes but with a bent awn, which is ca. 3 mm long. The palea is less than 0.5 mm long, and anthers are less than 0.7 mm long.
Classification
Monocotyledoneae
Cyperales
Poaceae
Agrostis
NatureServe
Classification
Ecology and Life History
Northern Bentgrass is a tufted perennial which can be up to 4 dm tall. The flat leaves are 1-3 mm wide, and the membranous crest where the blade meets the stem (ligule) is 1-2 mm long. Foliage is glabrous or slightly roughened. 1-flowered spikelets are borne on the ends of erect or ascending branches in an open inflorescence. The pointed glumes are 2-3 mm long, and lemmas are about the same length as the glumes but with a bent awn, which is ca. 3 mm long. The palea is less than 0.5 mm long, and anthers are less than 0.7 mm long.