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Descriptions

W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Eragrostis leucosticta

HABIT Annual; caespitose. Culms erect; 20–40 cm long. Ligule a fringe of hairs. Leaf-blades 5–8 cm long; 1–4 mm wide.

INFLORESCENCE Inflorescence a panicle.

Panicle open; ovate; 6–9 cm long. Primary panicle branches spreading.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels eglandular.

FERTILE SPIKELETS Spikelets comprising 4–10 fertile florets; with diminished florets at the apex. Spikelets ovate; laterally compressed; 3–4 mm long; 1.5–2 mm wide; breaking up at maturity; rhachilla persistent; retaining paleas.

GLUMES Glumes deciduous; similar; shorter than spikelet. Lower glume ovate; 0.75 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 0.75 length of adjacent fertile lemma; membranous; 1-keeled; 1 -veined. Upper glume lateral veins absent. Upper glume apex acute.

FLORETS Fertile lemma ovate; 1.5–2 mm long; membranous; keeled; 3 -veined. Lemma apex acute. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules 2; cuneate; fleshy.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION South America: Brazil.

NOTES Eragrostideae. WDC 1995.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.