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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 peruviana

HABIT Annual. Culms decumbent; 10–35 cm long. Ligule a fringe of hairs. Leaf-blades 3–6 cm long; 2–3 mm wide. Leaf-blade surface pubescent; hairy on both sides.

INFLORESCENCE Inflorescence a panicle.

Panicle spiciform; oblong, or ovate; continuous; 2–5 cm long.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 5–10 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 2.8–3 mm long; breaking up at maturity; rhachilla persistent; retaining paleas.

GLUMES Glumes deciduous; similar; shorter than spikelet. Lower glume ovate; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex acute. Upper glume ovate; 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 apex acute. Palea keels ciliolate. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules 2; cuneate; fleshy.

FRUIT Caryopsis with adherent pericarp.

DISTRIBUTION South America: western South America and southern South America.

NOTES Eragrostideae. Gr Peru 1995.

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