Plants perennial. Sheaths not or only slightly compressed, midvein sometimes conspicuous distally. Panicles 12-30 cm wide, usually open; branches divergent to strongly divergent and drooping; pedicels 0.8-15 mm. Spikelets oval in side view, lengths 1-4 times widths, somewhat laterally compressed, usually not appressed to the panicle branches. Lemmas with apices acute to rounded or truncate, more or less flat to slightly prow-shaped; paleas keeled, keels not winged, truncate to notched between the keels; lodicules wholly to partially connate; anthers 1, 2, or 3. Caryopses ovoid-oblong; hila ovoid to oblong.

Discussion

Glyceria sect. Hydropoa includes approximately five species. Three species grow in the Flora region; one is introduced. They grow along streams and at the edges of lakes and ponds.

Selected References

None.

Lower Taxa

Glyceria alnasteretum, Glyceria grandis, Glyceria maxima