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.

Puccinellia coreensis

HABIT Perennial; caespitose. Culms erect; slender; 30–60 cm long. Leaf-sheaths glabrous on surface. Ligule an eciliate membrane; 2–2.5 mm long. Leaf-blades 10–20 cm long; 2–3 mm wide. Leaf-blade surface smooth; glabrous.

INFLORESCENCE Inflorescence a panicle.

Panicle open; ovate; 10–20 cm long. Panicle branches smooth.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels smooth.

FERTILE SPIKELETS Spikelets comprising 3–4 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; compressed slightly; 4 mm long; breaking up at maturity; disarticulating below each fertile floret.

GLUMES Glumes persistent; dissimilar; shorter than spikelet. Lower glume ovate; 1 mm long; 0.66 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 1.5 mm long; 0.66 length of adjacent fertile lemma; membranous; without keels; 3 -veined. Upper glume apex acute.

FLORETS Fertile lemma oblong; 2.5 mm long; membranous; much thinner above; without keel; 5 -veined. Lemma lateral veins stopping well short of apex. Lemma apex obtuse. Palea 1 length of lemma; 2 -veined. Palea keels scabrous. Palea apex dentate. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3; 1 mm long. Ovary glabrous.

FRUIT Caryopsis with adherent pericarp. Hilum punctiform.

DISTRIBUTION Asia-temperate: China and eastern Asia.

NOTES Poeae. Man Korean Gr 1997.

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