Agrostis propinqua

HABIT Perennial; caespitose; clumped loosely. Rhizomes absent, or short. Culms erect, or geniculately ascending; slender; 40–80 cm long; 4 -noded. Leaf-sheaths smooth, or scaberulous. Ligule an eciliate membrane; 2–5 mm long; erose. Leaf-blades flat, or involute; 1.5–4 mm wide. Leaf-blade surface ribbed; grooved adaxially. Leaf-blade apex acuminate.

INFLORESCENCE Inflorescence a panicle.

Panicle open; lanceolate, or ovate; 10–35 cm long; with spikelets clustered towards branch tips.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; laterally compressed; 1.8–2 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma; gaping. Lower glume lanceolate; 1.8–2 mm long; 1 length of upper glume; membranous; purple; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 1.8–2 mm long; 1–1.4 length of adjacent fertile lemma; membranous; purple; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute, or acuminate.

FLORETS Fertile lemma oblong; 1.25–2 mm long; hyaline; without keel; 5 -veined. Lemma apex emarginate, or truncate; muticous. Palea absent or minute.

FLOWER Anthers 3; 0.3–0.5 mm long.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION Australasia: Australia.

NOTES Aveneae. Jacobs 2005.

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