Morphology
A rhizomatous, perennial grass with culms 25-80 cm tall. Ligules 2-8 mm. Blades 5-30 cm long, 3-11(14) mm wide.
Panicles 10-45 cm long. Spikelets 10-25 mm long, 1.5-3 mm wide, with 7-16 florets. Lower glumes 1-2.5 mm. Upper glumes 2.5-4.5 mm. Lemmas 3.5-5 mm. Anthers 0.8-1.5 mm..
Name/Synonymy Info
Glyceria notata Chevall., Fl. gén. env. Paris, 21:174 (1827). TYPE: France [no specimen cited].
Glyceria fluitans var. integra Dumort., Observ. Gramin. belg. 107 (1824) [title page 1823]. TYPE: Belgium [no specimen cited].
Glyceria fluitans * plicata Fr., Novit. fl. suec. mant. [altera] II:6 (1839); Molinia plicata Hartman, Bot. Not. 172 (1840); Glyceria plicata (Fr.) Fr., Novit. fl. suec. mant. [tertia, addenda] 176 (1843); Glyceria fluitans var. plicata (Fr.) Griseb. in Ledeb., Fl. ross. 4:391 (1852); Glyceria fluitans subsp. plicata (Fr.) St.-Lager in Cariot & St.-Lager, Étude fl., ed. 8, 2:928 (1888-1889); Panicularia plicata (Fr.) Scribner & Merr., Contr. U.S. Natl. Herb. 133:76 (1910). HOL: UPS; Sweden: Varberg; T. Fries 91.
Glyceria fluitans var. obtusiflora Sonder, Fl. hamburg. 57 (1850). TYPE: Germany.
Glyceria turcomanica Kom., Fl. URSS 2:757 (1934). HOL: LE; Turkmenistan: Kopetdag [Mountains], Aiderasu ravine, 1100 m; 27 Jun 1925; B.A. Fedchenko, P. Massagetov, and E. Bobrov 312.
References
M.E. Barkworth & L.K. Anderton. 2007. Glyceria in Flora of North America, volume 24. Oxford University Press.
