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GrassBase - The Online World Grass Flora
Descriptions
W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson
© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.
Eragrostis lurida
HABIT Perennial. Culms geniculately ascending, or decumbent; 15–60 cm long. Ligule a fringe of hairs. Leaf-blades 2–3 mm wide.
INFLORESCENCE Inflorescence a panicle.
Panicle open; lanceolate; dense; 5–20 cm long; with spikelets clumped along branches. Primary panicle branches ascending, or spreading; distant; 1–5 cm long. Panicle branches stiff.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 6–10 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 4–5 mm long; breaking up at maturity; rhachilla persistent; retaining paleas.
GLUMES Glumes deciduous; similar; shorter than spikelet. Lower glume ovate; 1.5–2 mm long; 0.9 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 1.5–2 mm long; 0.9 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.
FLORETS Fertile lemma ovate; 1.8–2 mm long; membranous; keeled; 3 -veined. Lemma surface scabrous; rough above. Lemma apex acute. Apical sterile florets resembling fertile though underdeveloped.
FLOWER Lodicules 2; cuneate; fleshy.
FRUIT Caryopsis with adherent pericarp.
DISTRIBUTION South America: western South America.
NOTES Eragrostideae. Gr Peru 1995.
Please cite this publication as detailed in How to Cite Version: 3rd February 2016.