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.

Eragrostis barbulata

HABIT Annual. Glands wart-like. Culms 90–120 cm long. Ligule a fringe of hairs. Leaf-blades 30–45 cm long; 4–6 mm wide; glaucous. Leaf-blade apex attenuate; filiform.

INFLORESCENCE Inflorescence a panicle.

Panicle open; oblong, or ovate; effuse; 15–30 cm long. Primary panicle branches spreading; 1 -nate; sparsely divided. Panicle branches capillary; flexuous; scaberulous; pubescent in axils.

Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform; glandular.

FERTILE SPIKELETS Spikelets comprising 10–25 fertile florets; with diminished florets at the apex. Spikelets oblong; laterally compressed; 7–10 mm long; 3.5–4 mm wide; breaking up at maturity; rhachilla persistent; retaining paleas. Rhachilla internodes 0.25 mm long.

GLUMES Glumes deciduous; similar; shorter than spikelet. Lower glume orbicular; 1.5–2 mm long; 1 length of upper glume; membranous; 1-keeled; 1 -veined. Lower glume lateral veins absent. Lower glume apex obtuse. Upper glume orbicular; 1.5–2 mm long; 0.5 length of adjacent fertile lemma; membranous; 1-keeled; 1–3 -veined. Upper glume lateral veins absent, or distinct. Upper glume apex obtuse.

FLORETS Fertile lemma orbicular; 2–3 mm long; membranous; keeled; 3 -veined. Lemma apex obtuse. Palea keels scaberulous. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Lodicules 2; cuneate; fleshy. Anthers 3; 1.2 mm long.

FRUIT Caryopsis with adherent pericarp; orbicular; isodiametric; 1 mm long.

DISTRIBUTION Asia-tropical: Indo-China.

NOTES Eragrostideae. Fl Brit India 1994.

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