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 subsecunda

HABIT Perennial. Culms 22–80 cm long. Culm-nodes glabrous. Ligule a fringe of hairs. Leaf-blades linear, or lanceolate; 1–15 cm long; 1–3 mm wide.

INFLORESCENCE Inflorescence a panicle.

Panicle open; elliptic; 3–25 cm long.

Spikelets solitary. Fertile spikelets pedicelled.

FERTILE SPIKELETS Spikelets comprising 10–16 fertile florets; with diminished florets at the apex. Spikelets lanceolate, or oblong; laterally compressed; 7–9 mm long; breaking up at maturity; rhachilla persistent; retaining paleas.

GLUMES Glumes deciduous; similar; shorter than spikelet. Lower glume lanceolate; 1–2 mm long; 0.5–0.75 length of upper glume; 1-keeled; 1 -veined. Lower glume primary vein scaberulous. Lower glume lateral veins absent. Lower glume apex acute. Upper glume lanceolate, or ovate; 2–2.5 mm long; 1 length of adjacent fertile lemma; 1-keeled; 1 -veined. Upper glume primary vein scaberulous. Upper glume lateral veins absent. Upper glume apex acute.

FLORETS Fertile lemma ovate; 2–2.5 mm long; 1–1.5 mm wide; chartaceous; mid-green, or purple; keeled; 3 -veined. Lemma apex acute. Palea 1.5–2 mm long. Palea keels scaberulous; ciliolate. Apical sterile florets resembling fertile though underdeveloped.

FLOWER Anthers 3; 0.25–0.5 mm long.

FRUIT Caryopsis with adherent pericarp; ovoid; 0.5–1 mm long.

DISTRIBUTION Asia-tropical: India and Indo-China. Australasia: Australia.

NOTES Eragrostideae. Nair 1993.

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