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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, or geniculately ascending; 15–40 cm long. Ligule a ciliate membrane. Leaf-blades filiform.
INFLORESCENCE Inflorescence a panicle.
Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform.
FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; laterally compressed; 3–4 mm long; falling entire.
GLUMES Glumes reaching apex of florets; firmer than fertile lemma. Lower glume oblong; membranous; 1-keeled; 3 -veined. Lower glume lateral veins ribbed. Lower glume surface without pits. Lower glume apex dentate; 2 -fid; awned. Upper glume oblong; membranous; 1-keeled; 5 -veined. Upper glume lateral veins ribbed. Upper glume apex dentate; 2 -fid; awned; 1 -awned.
FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret oblong; membranous; 3 -veined; awned. Fertile lemma elliptic; hyaline; keeled; wingless; 1 -veined. Lemma surface unwrinkled; without grooves. Lemma apex acute. Palea absent or minute.
FLOWER Anthers 2.
FRUIT Caryopsis with adherent pericarp; oblong; laterally compressed.
DISTRIBUTION South America.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.