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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 weberbaueri
HABIT Perennial; caespitose. Culms erect; slender; 20–30 cm long. Ligule a fringe of hairs. Leaf-blades flat, or involute; 3–8 cm long; 2–3 mm wide. Leaf-blade apex attenuate.
INFLORESCENCE Inflorescence a panicle.
Panicle spiciform; linear, or oblong; interrupted; 3–6 cm long.
Spikelets solitary. Fertile spikelets pedicelled.
FERTILE SPIKELETS Spikelets comprising 4–6 fertile florets; with diminished florets at the apex. Spikelets lanceolate; laterally compressed; 3–4 mm long; breaking up at maturity; rhachilla persistent; retaining paleas.
GLUMES Glumes deciduous; similar; shorter than spikelet. Lower glume ovate; 0.8 mm long; 0.75 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 1.1 mm long; 0.5 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 scaberulous. 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.