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GrassBase - The Online World Grass Flora
W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson
© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
HABIT Perennial. Culms erect; 35–50 cm long. Leaf-sheaths open for most of their length. Ligule an eciliate membrane. Leaf-blade venation with obscure cross veins.
INFLORESCENCE Inflorescence a panicle.
Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform.
FERTILE SPIKELETS Spikelets comprising 3–5 fertile florets; with diminished florets at the apex. Spikelets elliptic; laterally compressed; 12–15 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite. Floret callus evident; bearded.
GLUMES Glumes persistent; shorter than spikelet; thinner than fertile lemma. Lower glume ovate; 0.6 length of upper glume; membranous; 1-keeled; 3 -veined. Lower glume surface without pits. Lower glume apex acute. Upper glume ovate; 0.6 length of adjacent fertile lemma; membranous; 1-keeled; 5 -veined. Upper glume apex acute.
FLORETS Fertile lemma lanceolate; herbaceous; much thinner on margins; keeled; wingless; 7 -veined. Lemma surface unwrinkled; without grooves. Lemma apex dentate; 2 -fid; awned; 1 -awned. Principal lemma awn subapical. Palea 0.6 length of lemma; 2 -veined. Palea keels ciliate. Apical sterile florets resembling fertile though underdeveloped.
FLOWER Lodicules 2; united; fleshy; truncate. Anthers 3.
DISTRIBUTION Europe, or Temperate Asia, or North America.
Please cite this publication as detailed in How to Cite Version: 16th November 2012.