Agrostis sichotensis

HABIT Perennial; caespitose; clumped densely. Culms erect; 45–50 cm long; 1.5–2 mm diam. Culm-internodes smooth. Leaf-sheaths antrorsely scabrous. Ligule an eciliate membrane; (2.5–)3.5–4.5 mm long. Leaf-blades 2–3.5 mm wide; grey-green. Leaf-blade surface scabrous.

INFLORESCENCE Inflorescence a panicle; comprising 90–150 fertile spikelets.

Panicle contracted; lanceolate, or oblong; 15 cm long. Panicle branches scabrous.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate; laterally compressed; (2.7–)3–3.5 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma; shiny; gaping. Lower glume lanceolate; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; (2.7–)3–3.5 mm long; 1.5–1.6 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein scaberulous. Upper glume lateral veins absent. Upper glume apex acute.

FLORETS Fertile lemma oblong; 2–2.5 mm long; hyaline; without keel; 5 -veined. Lemma apex erose; truncate; awned; 1 -awned. Principal lemma awn dorsal; arising 0.1 way up back of lemma; geniculate; 4.2 mm long overall; with twisted column.

FLOWER Anthers 3; 1.6–1.8 mm long.

DISTRIBUTION Asia-temperate: Soviet far east.

NOTES Aveneae. Probat. 2006.

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