Common name: South American Barnyard Grass
Echinochloa crus-pavonis (Kunth) Schult. APNI*
Description: Erect to decumbent annual to 1.3 m high.
Leaves with ligule absent; blade to 15 mm wide, mostly glabrous.
Panicle to 18 cm long, drooping with spreading racemes distant near base. Spikelets 2 or 3 together or clustered, elliptic, c.3.5 mm long. Lower glume c. 50% of spikelet length, acute to acuminate, 3–5-nerved; upper subequal to and similar to spikelet, acuminate to cuspidate. Lower lemma similar to upper glume, usually with a ± flexuous awn to 1 cm long, 7-nerved. Upper lemma ovate to elliptic, 3–3.5 mm long, apex with a scabrid cusp, smooth, shining, brownish at maturity. Lower palea broad-elliptic. Upper palea similar to fertile lemma. Grain pale brownish, broad-elliptic to ovate, c. 1.75 mm long.
Distribution and occurrence: Occasional weed of cultivation. Native of trop. Afr. & Amer.
NSW subdivisions: *NC, *CC, *CT, *CWS
Other Australian states: *Qld *Vic. *W.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
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