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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 decumbent; 20–60 cm long; rooting from lower nodes. Ligule a fringe of hairs. Leaf-blades linear, or lanceolate; viscid.
INFLORESCENCE Inflorescence a panicle.
Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform, or linear.
FERTILE SPIKELETS Spikelets comprising 3–6 fertile florets; with diminished florets at the apex. Spikelets orbicular; laterally compressed; 5.81–8.4 mm long; breaking up at maturity; disarticulating above glumes but not between florets. Rhachilla internodes definite. Floret callus bearded.
GLUMES Glumes persistent; reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 1 length of upper glume; membranous; without keels; 9–11 -veined. Lower glume surface without pits; villous. Lower glume apex acute. Upper glume ovate; 0.75 length of adjacent fertile lemma; membranous; without keels; 9–11 -veined. Upper glume surface villous; with simple hairs, or capitate hairs. Upper glume apex acute.
FLORETS Fertile lemma oblong; coriaceous; without keel; wingless; 9 -veined. Lemma lateral veins ribbed. Lemma surface unwrinkled; without grooves; villous; hairy between veins. Lemma apex emarginate; cucullate; awned; 2–3 -awned. Lateral lemma awns longer than principal. Palea 1 length of lemma. Palea keels ciliolate. Palea surface villous. Apical sterile florets resembling fertile though underdeveloped.
FLOWER Lodicules 2; fleshy. Anthers 3.
FRUIT Caryopsis with adherent pericarp; obovoid. Embryo 0.8 length of caryopsis.
Please cite this publication as detailed in How to Cite Version: 16th November 2012.