Echinochloa crus-pavonis (H.B.K.) Schult var. macera (Wieg.) Gould


Habit: 		Tufted annual.
Culms: 		Stout, glabrous, erect to decumbent at the base, 30-100 cm. tall.
Blades: 	Commonly 5-25 cm. long, 4-10 mm. wide, glabrous, margins scabrous.
Sheaths: 	Glabrous, slightly keeled, compressed.
Ligule: 	Absent.
Inflorescence: 	Panicle 10-20 cm. long, erect, rather dense, of several unilateral erect
		or spreading racemes, lacking long setae among the spikelets.
Spikelets: 	3-5 mm. long, excluding the awns, 2-flowered, crowded in small clusters or racemes,
		in two rows on one side of the flat rachis, short-awned (1-2 mm.) or nearly awnless.
Glumes: 	Pubescent with stiff ascending hairs, First glume 1-2.5 mm. long and acuminate,
		second glume 3-4 mm. long and acuminate or with a 0.5-1.2 mm. long awn.
Sterile lemmas:	Pubescent with stiff ascending hairs, 2-4 mm. long, acuminate or with a short awn.
Fertile lemmas:	2.5-4.0 mm. long, acuminate, with membranous, withered tip.
Palea:		Sterile palea vestigial or absent
Habitat: 	Moist open places, ditches, riverbanks, waste places and cultivated fields.
Kansas Range:	Southern one third.
Synonyms:	Echinochloa crus-galli (L.) Beauv. var. zelayensis (Kunth) A.S. Hitchc.
		Echinochloa zelayensis (Kunth) J.A. Schultes