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.

Poa verae

HABIT Perennial; caespitose; clumped densely. Culms 35–45(–50) cm long; with 0.33 of their length below uppermost node. Culm-internodes smooth. Leaves mostly basal. Leaf-sheaths antrorsely scabrous. Ligule an eciliate membrane; 0.2–1.2 mm long. Leaf-blades convolute; 0.5–1.2 mm wide; glaucous.

INFLORESCENCE Inflorescence a panicle.

Panicle open; ovate; loose; 8–12 cm long; 0.25 of culm length.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising (1–)2(–3) fertile florets; with diminished florets at the apex. Spikelets oblong, or ovate; laterally compressed; 3.6–4.6(–5) mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes pubescent. Floret callus glabrous.

GLUMES Glumes persistent; similar; reaching apex of florets. Lower glume lanceolate; membranous; 1-keeled. Lower glume apex attenuate. Upper glume lanceolate; membranous; 1-keeled. Upper glume apex attenuate.

FLORETS Fertile lemma ovate; 3.3–3.5 mm long; membranous; keeled; 5 -veined. Lemma midvein pubescent. Lemma margins pubescent. Lemma apex acute. Palea keels scaberulous. Palea surface puberulous; hairy on back. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3; 1.1–1.6 mm long.

DISTRIBUTION Asia-temperate: Soviet far east.

NOTES Poeae. Prabatova 2011.

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