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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.
HABIT Annual. Stolons absent, or present. Culms erect, or geniculately ascending; 40–80 cm long; 3–6 -noded. Culm-nodes glabrous. Leaf-sheaths keeled; glabrous on surface; outer margin glabrous. Ligule a fringe of hairs; 0.5–1.3 mm long. Leaf-blades 5–28 cm long; 3.5–11 mm wide. Leaf-blade surface scabrous.
INFLORESCENCE Inflorescence a panicle.
Panicle open; lanceolate; 2.5–17 cm long; contracted about primary branches. Primary panicle branches ascending, or spreading; 0.7–3.5 cm long; bearing 7–15 fertile spikelets on each lower branch; bearing spikelets almost to the base; sterile at the tips. Panicle axis scabrous. Panicle branches scabrous.
Spikelets solitary. Fertile spikelets sessile.
FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic; dorsally compressed; 2.1–2.8 mm long; 1–1.3 mm wide; falling entire.
GLUMES Glumes reaching apex of florets; thinner than fertile lemma. Lower glume ovate; 1–1.9 mm long; 0.5–0.66 length of spikelet; membranous; without keels; 3 -veined. Lower glume apex acute. Upper glume elliptic; 2.1–2.3 mm long; 0.9–1 length of spikelet; membranous; without keels; 7–9 -veined. Upper glume apex obtuse.
FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret elliptic; 1 length of spikelet; membranous; 5–7 -veined; obtuse. Fertile lemma elliptic; dorsally compressed; gibbous; 2.1–2.8 mm long; indurate; without keel. Lemma surface rugose. Lemma margins involute. Lemma apex acute. Palea involute; indurate. Palea surface rugose.
DISTRIBUTION Australasia: Australia.
NOTES Paniceae. Webster 1993.
Please cite this publication as detailed in How to Cite Version: 16th November 2012.