GrassBase - The Online World Grass Flora

Descriptions

W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Koeleria gubanovii

HABIT Perennial; caespitose. Culms erect; 30–50 cm long. Leaf-sheaths pubescent. Ligule an eciliate membrane. Leaf-blades filiform; flat, or convolute; 5–7 cm long; 0.5–2 mm wide; stiff; glaucous. Leaf-blade surface scaberulous; rough adaxially.

INFLORESCENCE Inflorescence a panicle. Peduncle pubescent above.

Panicle spiciform; lanceolate; interrupted; loose; 3–8 cm long.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 2 fertile florets; with a barren rhachilla extension. Spikelets obovate; laterally compressed; 4–4.5 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pubescent.

GLUMES Glumes persistent; similar; shorter than spikelet; similar to fertile lemma in texture; shiny; gaping. Lower glume lanceolate; 3 mm long; 0.7–0.8 length of upper glume; membranous; 1-keeled. Lower glume apex acute. Upper glume oblong; 3.5–44 mm long; 1 length of adjacent fertile lemma; membranous; 1-keeled. Upper glume apex acute.

FLORETS Fertile lemma oblong; 3.2–3.7 mm long; membranous; shiny; keeled. Lemma surface scaberulous; glabrous, or pilose; hairy below. Lemma apex acuminate.

DISTRIBUTION Asia-temperate: Soviet far east.

NOTES Aveneae. Tsvelev 2012.

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