Glyceria septentrionalis Hitchc.
Family: Poaceae
Glyceria septentrionalis image
Paul Rothrock  
From Flora of Indiana (1940) by Charles C. Deam
Infrequent to somewhat frequent in the lake area and local in the southern part of the state. It has the habitat of the preceding species [Glyceria borealis], growing only in very wet places or in shallow water.

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Indiana Coefficient of Conservatism: C = 7

Wetland Indicator Status: OBL

Culms 10-15 dm, rather soft, often decumbent and rooting from the lower nodes; main lvs 6-10 mm wide; ligule prominent; infl narrow, 2-4 dm, often somewhat spreading at anthesis; spikelets subsessile or short-pedicelled, 1-2 cm, 8-16-fld, the lemmas spreading at maturity; rachilla-joints 1.1-1.8 mm; glumes scarious, obscurely veined, elliptic to obovate, the first 1.9-3.9 mm, the second 2.8-5.1 mm; lemmas elliptic, 3.7-5.3 mm, dull and scaberulous between the veins, blunt or rounded and usually erose at the scarious tip; palea sometimes projecting as much as 1 mm; anthers 3, 1-1.7 mm; grain 1.5-2 mm; 2n=40. Shallow water or very wet soil; Mass. to Minn., s. to S.C. and Tex. (G. arkansana, a rare form with the lemmas minutely short-hairy instead of scabrous)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Glyceria septentrionalis image
Paul Rothrock  
Glyceria septentrionalis image
Paul Rothrock  
Glyceria septentrionalis image
Paul Rothrock  
Glyceria septentrionalis image
Glyceria septentrionalis image
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Glyceria septentrionalis image
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Glyceria septentrionalis image
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Glyceria septentrionalis image
Glyceria septentrionalis image