Morphology

A rhizomatous, perennial grass with culms 50-100(150) cm tall and 3-8 mm thick. Sheaths finely scabridulous, not or weakly keeled. Ligules 4.5-12 mm. Blades 12-30 cm long, 3.5-11 mm wide.

Panicles 20-40 cm long, 2.5-8 cm wide. Branches 4.2-14.7 cm long. Spikelets 9-20 mm long, 0.4-3 mm wide, with 6-15 florets. Lower glumes 0.6-2.1 mm. Upper glumes 1.4-3.4 mm. Lemmas 2.6-4.5 mm. Paleas shorter than or equaling the lemmas Anthers 3, 0.3-0.9 mm.

Name/Synonymy Info

Glyceria leptostachya Buckley, Proc. Acad. Nat. Sci. Philadelphia 1862 [14]:95 (1862). Panicularia leptostachya (Buckley) Piper in Piper & Beattie, Fl. n.w. coast 59 (1915), non (Speg.) Macloskie (1904). TYPE: U.S.A., Oregon: Columbia River; T. Nuttall.

Panicularia davyi Merr., Rhodora 4:145 (1902). TYPE: U.S.A., California: Sonoma County, near Guerneville; 21 Jul 1899; J.B. Davy 6005.

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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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