Agrostis sozanensis

HABIT Perennial; caespitose; clumped loosely. Culms erect, or geniculately ascending; 45–90 cm long; 1–1.2(–2.5) mm diam.; 3–5 -noded. Leaf-sheaths smooth. Ligule an eciliate membrane; 2–6 mm long; truncate, or obtuse. Leaf-blades 7–20 cm long; 2–5 mm wide. Leaf-blade surface scaberulous; rough on both sides. Leaf-blade apex acuminate.

INFLORESCENCE Inflorescence a panicle.

Panicle open; elliptic, or ovate; 15–30 cm long. Primary panicle branches ascending; 2–4(–10) -nate; 5–10 cm long. Panicle branches capillary; flexuous; scaberulous.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets lanceolate, or oblong; laterally compressed; 1.8–2.7(–3) mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pubescent. Floret callus hairs 0.1–0.2 mm long.

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, or acuminate. Upper glume lanceolate; 1.8–3 mm long; 1.3–1.5 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume primary vein scaberulous. Upper glume lateral veins absent. Upper glume apex acute, or acuminate.

FLORETS Fertile lemma oblong, or ovate; 1.3–2 mm long; hyaline; without keel; 4–5 -veined. Lemma apex truncate, or obtuse; awned; 1 -awned. Principal lemma awn dorsal; arising 0.5–0.66 way up back of lemma; straight, or curved; 1–2(–3) mm long overall. Palea 0.25–0.5 mm long; 0.25–0.33 length of lemma; hyaline; 2 -veined.

FLOWER Anthers 3; 0.7–1.2 mm long.

DISTRIBUTION Asia-temperate: China and eastern Asia.

NOTES Aveneae. Fl China 2007.

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