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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. Rhizomes elongated. Culms erect; 10–25 cm long. Ligule an eciliate membrane.
INFLORESCENCE Inflorescence a panicle.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 2–3 fertile florets; with a barren rhachilla extension. Spikelets oblong; laterally compressed; 4–8 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite. Floret callus pilose.
GLUMES Glumes persistent; reaching apex of florets. Lower glume ovate; 0.75 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume surface without pits. Lower glume apex acute. Upper glume ovate; 1–1.1 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex acute.
FLORETS Fertile lemma elliptic; membranous; much thinner above; keeled; wingless; 3–5 -veined. Lemma lateral veins obscure; less than two thirds length of lemma. Lemma surface unwrinkled; without grooves. Lemma apex obtuse, or cuspidate. Palea 1 length of lemma; 2 -veined.
FLOWER Anthers 3.
FRUIT Caryopsis with adherent pericarp. Hilum elliptic.
DISTRIBUTION Europe, or Temperate Asia, or North America.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.