Morphology

A rhizomatous, perennial grass with culms 60-90 cm tall and 2.5-4 mm thick. Sheaths smooth, not keeled. Ligules 2-3 mm. Blades 5-20 cm long, 3-7 mm wide, abaxial surfaces smooth, adaxial surfaces scabrous.

Panicles 15-22 cm long and 12-16 cm wide, open, pyramidal. Branches 8-10 cm long, lower branches widely divergent to drooping. Spikelets 7-9 mm long and 3-4.5 mm wide, with 5-8 florets. Lower glumes 2-3.5 mm. Upper glumes 2.5-3.5 mm. Lemmas 3-5.5 mm, 7-veined. Paleas shorter than or subequal to the lemmas. Anthers 3, 0.7-1.2 mm.

Name/Synonymy Info

Glyceria alnasteretum Kom., Repert. Spec. Nov. Regni Veg. 13:87 (1914). LEC: LE; Russia: Kamchatka [Kamčatka], basin of Ilkinaya River, Kikhpinich Mountain; 4 Sep 1909; V. Komarov 3366 [Tzvelev, Zlaki SSSR 542 (1976)].

Glyceria remota var. japonica Hack., Bull. Herb. Boissier 7:712 (1899). SYN: [1] Japan: Iwagisan; U.J. Faurie 4723; [2] Japan: Iwanai; U.J. Faurie 8231.

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References

M.E. Barkworth & L.K. Anderton. 2007. Glyceria in Flora of North America, volume 24. Oxford University Press.

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