Beckmannia syzigachne

(Steud.) Fernald
Common names: American sloughgrass Beckmannie à écailles unies
Synonyms: Beckmannia syzigachne var. uniflora Beckmannia syzigachne subsp. baicalensis
Treatment appears in FNA Volume 24. Treatment on page 486.

Plants annual; tufted. Culms 20-120 cm. Ligules 5-11 mm, pubescent, entire or lacerate, usually folded back; blades 4-10(20) mm wide, flat, scabrous. Panicles 7-30 cm; branches spikelike, usually 1-2 cm. Spikelets 2-3 mm, round to ovate in side view, with 1 floret, a second undeveloped or well-developed floret occasionally present. Glumes appearing inflated, strongly keeled, 3-veined, apiculate; lemmas 2.4-3.5 mm, unawned, sometimes mucronate; paleas subequal to the lemmas, acute; anthers 0.5-1(1.5) mm, pale yellow. Caryopses shorter than 2 mm, light to medium brown. 2n = 14.


Wash., Wis., Wyo., N.Mex., N.Y., Pa., Calif., Nev., Colo., Alaska, Ill., Iowa, Ariz., Idaho, N.Dak., Nebr., S.Dak., Maine, Ohio, Utah, Mo., Minn., Mich., Kans., Mont., Alta., B.C., Greenland, Nfld. and Labr. (Nfld.), Man., N.B., N.S., N.W.T., Nunavut, Ont., P.E.I., Que., Sask., Yukon, Oreg.


Beckmannia syzigachne grows in damp habitats such as marshes, floodplains, the edges of ponds, lakes, streams, and ditches, and in standing water. It is a good forage grass, but frequently grows in easily damaged habitats.

Selected References


Lower Taxa

... more about "Beckmannia syzigachne"
Stephan L. Hatch +
(Steud.) Fernald +
American sloughgrass +  and Beckmannie à écailles unies +
Wash. +, Wis. +, Wyo. +, N.Mex. +, N.Y. +, Pa. +, Calif. +, Nev. +, Colo. +, Alaska +, Ill. +, Iowa +, Ariz. +, Idaho +, N.Dak. +, Nebr. +, S.Dak. +, Maine +, Ohio +, Utah +, Mo. +, Minn. +, Mich. +, Kans. +, Mont. +, Alta. +, B.C. +, Greenland +, Nfld. and Labr. (Nfld.) +, Man. +, N.B. +, N.S. +, N.W.T. +, Nunavut +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +  and Oreg. +
Beckmannia syzigachne var. uniflora +  and Beckmannia syzigachne subsp. baicalensis +
Beckmannia syzigachne +
Beckmannia +
species +