Agrostis peschkovae

HABIT Perennial; caespitose. Rhizomes elongated. Culms erect, or geniculately ascending; 10–35(–37) cm long. Ligule an eciliate membrane; 1–2 mm long. Leaf-blades 1–2 mm wide; light green. Leaf-blade surface smooth, or scabrous; rough adaxially. Leaf-blade margins scabrous. Leaf-blade apex acute.

INFLORESCENCE Inflorescence a panicle.

Panicle open; elliptic, or ovate; 8–9 cm long; 0.2–0.25 of culm length. Primary panicle branches ascending. Panicle branches scaberulous.

Spikelets solitary. Fertile spikelets pedicelled.

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

GLUMES Glumes persistent; similar; exceeding apex of florets; firmer than fertile lemma; shiny; gaping. Lower glume lanceolate; 1.7 mm long; 0.85 length of upper glume; membranous; purple; 1-keeled; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate; 2 mm long; 1.3 length of adjacent fertile lemma; membranous; purple; 1-keeled; 1 -veined. Upper glume primary vein scaberulous. Upper glume lateral veins absent. Upper glume apex acute.

FLORETS Fertile lemma oblong; 1.5 mm long; hyaline; without keel; 5 -veined. Lemma apex erose; truncate; muticous, or awned. Palea present; 0.2 mm long; 0.15 length of lemma; hyaline.

FLOWER Lodicules 2; membranous. Anthers 3; 0.4 mm long.

FRUIT Caryopsis with adherent pericarp. Hilum linear.

DISTRIBUTION Asia-temperate: Siberia.

NOTES Aveneae. Enustschenko 2011.

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