Aquatic and Wetland Vascular Plants of the Northern Great Plains
63. Poaceae, the Grass Family
12. Eragrostis Beauv. -- Lovegrass1. Eragrostis hypnoides (Lam.) B.S.P. -- Teal lovegrass
Perfect-flowered, mat-forming annual; culms mostly spreading and rooting at the nodes, the erect branches (2)5-15 cm tall, glabrous except for short pubescence at the nodes. Leaf blades flat to folded, mostly 1-5 cm long, 1-2(3) mm wide, glabrous or very short-pubescent; sheaths glabrous except for hairs at the summit and sometimes along the margins; ligule a tuft of hairs ca. 0.5 mm long. Panicles numerous, rather dense to open, oblong, 1.5-6 cm long. Spikelets several- to many-flowered, linear, 3-8 mm long; glumes ovate, 1-nerved, the first 0.5-1 mm long, the second 0.5-1.5 mm long; lemmas ovate-lanceolate, acute to acuminate, 1.5-2 mm long, hyaline between the 3 nerves; anthers 0.2-0.3 mm long. Grain golden brown, ovoid, 0.4-0.6 mm long. Late Jul--Sep. Wet sandy or muddy stream banks and alluvial bars; occasional from e and c ND, s to e and s NE; (Que. to WA, s throughout the U.S., except the desert and mountain regions, s into Mex. and S.Amer.).
Eragrostis hypnoides (from Hitchcock 1950). |
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