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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. Culms erect, or geniculately ascending; 2–9.25–17 cm long. Ligule an eciliate membrane.
INFLORESCENCE Inflorescence composed of racemes; exserted (1), or embraced at base by subtending leaf (1).
Racemes single; unilateral. Rhachis subterete. Spikelet packing broadside to rhachis; 2 -rowed.
Spikelets appressed; solitary. Fertile spikelets sessile.
FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 1.8–2.722–3.6 mm long; breaking up at maturity; disarticulating below each fertile floret.
GLUMES Glumes persistent; exceeding apex of florets; similar to fertile lemma in texture (1), or firmer than fertile lemma (1). Lower glume oblong; 1 length of upper glume; membranous; without keels; 1 -veined. Lower glume lateral veins absent. Lower glume surface smooth (1), or asperulous (1); without pits. Lower glume apex truncate (1), or obtuse (1). Upper glume oblong; 1.5 length of adjacent fertile lemma; membranous; without keels; 1 -veined. Upper glume surface smooth (1), or asperulous (1). Upper glume apex truncate (1), or obtuse (1).
FLORETS Fertile lemma oblong (1), or ovate (1); hyaline (1), or membranous (1); without keel; wingless; 5 -veined. Lemma surface unwrinkled; without grooves; pubescent. Lemma apex erose; truncate. Palea 0.75–0.875–1 length of lemma; 2 -veined. Palea surface pubescent.
FLOWER Lodicules absent. Anthers 3. Stigmas pubescent.
FRUIT Caryopsis with adherent pericarp; ellipsoid; laterally compressed (1/1). Hilum punctiform (1), or elliptic (1); 0.3 length of caryopsis.
DISTRIBUTION Europe (1), or Africa, or Australasia (1).
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.