Common name: Awnless Barnyard Grass
Echinochloa colona (L.) Link APNI* 
Description: Tufted annual to 0.6 m high.
Leaves with ligule absent; blade to 10 mm wide, often with purplish or blackish transverse bands.
Panicle to 15 cm long, erect; lower racemes mostly 1–4 cm long. Spikelets crowded, usually in 4 irregular rows, 2–3 mm long, acute or minutely cuspidate. Lower glume 1–1.5 mm long, acute to mucronate, 3–5-nerved, scabrous to pubescent; upper equal to spikelet, acute or cuspidate, 5–7-nerved, nerves smooth to scabrous. Lower lemma similar to upper glume. Fertile lemma elliptic to ovate or subobovate, 1.5–2.5 mm long, tip scabrous to pubescent, smooth, shining, yellowish or whitish. Lower palea subequal to its lemma. Upper palea subequal to its lemma, similar in texture.
Flowering: summer or in response to rain.
Distribution and occurrence: Widespread, particularly on heavy grey or black soils subject to periodic flooding.
NSW subdivisions: NC, CC, CT, ST, NWS, CWS, NWP, SWP, NFWP, SFWP
Other Australian states: Qld Vic. W.A. S.A.
Text by S. W. L. Jacobs & T. A. James
Taxon concept: Flora of NSW 4 (1993)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
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