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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 Annual, or perennial (1). Culms erect (1), or geniculately ascending (1), or decumbent; 5–17.5–30 cm long; without nodal roots (1/1), or rooting from lower nodes (1/1). Ligule an eciliate membrane.
INFLORESCENCE Inflorescence a panicle.
Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; tip pyriform.
FERTILE SPIKELETS Spikelets comprising 2 fertile florets; without rhachilla extension. Spikelets elliptic; laterally compressed; 1.3–1.6–2 mm long; breaking up at maturity; disarticulating below each fertile floret. Rhachilla internodes definite.
GLUMES Glumes persistent; exceeding apex of florets; similar to fertile lemma in texture (1), or firmer than fertile lemma (1). Lower glume ovate; 1 length of upper glume; membranous; 1-keeled; 1 -veined (1), or 3 -veined (1). Lower glume lateral veins absent (1), or distinct (1). Lower glume surface without pits. Lower glume apex obtuse. Upper glume ovate; 1.6–1.8–2 length of adjacent fertile lemma; membranous; 1-keeled; 3 -veined. Upper glume apex obtuse.
FLORETS Fertile lemma elliptic; hyaline (1), or membranous (1); without keel; wingless; 3 -veined. Lemma surface unwrinkled; without grooves. Lemma apex dentate; 3 -fid; truncate (1/1). Palea 1 length of lemma.
FLOWER Anthers 3.
FRUIT Caryopsis with adherent pericarp; obovoid; dorsally compressed; plano-convex.
DISTRIBUTION Europe, or Africa, or Temperate Asia (1).
Please cite this publication as detailed in How to Cite Version: 16th November 2012.