Glyceria texana

HABIT Perennial. Culms 50–130 cm long. Ligule an eciliate membrane; 4–7 mm long; lacerate. Leaf-blades 3–8 mm wide. Leaf-blade surface scabrous; rough adaxially.

INFLORESCENCE Inflorescence a panicle.

Panicle open; lanceolate; 25–40 cm long. Panicle branches scabrous.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 7–15 fertile florets; with diminished florets at the apex. Spikelets lanceolate, or oblong; laterally compressed, or subterete; 15–25 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; similar; shorter than spikelet. Lower glume lanceolate; 2–2.3 mm long; 0.66 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Upper glume lanceolate; 3–3.7 mm long; 0.9 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume lateral veins absent.

FLORETS Fertile lemma ovate; 3.5–4.2 mm long; membranous; without keel. Lemma surface scabrous and tuberculate. Palea 1 length of lemma; 2 -veined. Palea keels winged; narrowly winged. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3; 0.9–1.2 mm long.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION North America: south-central USA.

NOTES Meliceae. Tzvelev 2008.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.