Agrostis dshungarica

HABIT Perennial; caespitose. Culms 20–40 cm long. Culm-internodes smooth; distally glabrous. Leaf-sheaths smooth; glabrous on surface. Ligule an eciliate membrane; 1.5–2.5 mm long; scaberulous on abaxial surface. Leaf-blades 5–10 mm wide. Leaf-blade surface scaberulous; rough adaxially; glabrous.

INFLORESCENCE Inflorescence a panicle.

Panicle contracted; lanceolate; (5–)10–30 cm long.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets elliptic; laterally compressed; 3–4 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus bearded. Floret callus hairs 0.33 length of lemma.

GLUMES Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma; shiny; gaping. Lower glume lanceolate; 3–4 mm long; 1 length of upper glume; membranous; 1-keeled; 1–3 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent, or obscure. Lower glume apex acute. Upper glume lanceolate; 3–4 mm long; 1.5–1.6 length of adjacent fertile lemma; membranous; 1-keeled; 1–3 -veined. Upper glume primary vein scaberulous. Upper glume lateral veins absent, or obscure. Upper glume apex acute.

FLORETS Fertile lemma elliptic; 2–2.5 mm long; hyaline; without keel; 5 -veined. Lemma surface pilose. Lemma apex erose; truncate; awned; 1 -awned. Principal lemma awn dorsal; arising 0.3–0.4 way up back of lemma; straight, or geniculate; 3–4.3 mm long overall; without a column, or with twisted column. Palea 0.5 length of lemma; hyaline.

FLOWER Lodicules 2; membranous. Anthers 3; 0.7–0.9 mm long.

FRUIT Caryopsis with adherent pericarp. Hilum linear.

DISTRIBUTION Asia-temperate: Soviet Middle Asia and China.

NOTES Aveneae. Pl Cent Asia 1996.

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