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 kronokensis

HABIT Perennial; culms solitary. Rhizomes elongated. Culms geniculately ascending; 20–25 cm long. Leaf-sheaths scaberulous. Ligule an eciliate membrane; 2.3 mm long. Leaf-blade surface smooth; glabrous, or puberulous; hairy adaxially.

INFLORESCENCE Inflorescence a panicle.

Panicle open; pyramidal; effuse; 5–12 cm long. Panicle branches capillary; smooth.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels smooth, or scaberulous.

FERTILE SPIKELETS Spikelets comprising 2–5 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 4–8 mm long; breaking up at maturity; disarticulating below each fertile floret. Floret callus pilose.

GLUMES Glumes persistent; similar; with lower narrower than upper; shorter than spikelet. Lower glume lanceolate; 0.9 length of upper glume; membranous; much thinner on margins; 1-keeled. Lower glume primary vein scabrous. Lower glume apex acute. Upper glume lanceolate; membranous; with hyaline margins; 1-keeled. Upper glume primary vein scabrous. Upper glume apex acute.

FLORETS Fertile lemma elliptic; 3.5 mm long; membranous; much thinner on margins; keeled; 5 -veined. Lemma midvein ciliolate. Lemma margins pubescent. Lemma apex acute. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3; 0.5–1.3 mm long.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION Asia-temperate: Soviet far east.

NOTES Poeae. Probatova 2008.

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