Andropogon hallii Hack.
Sand Bluestem

Habit: 		Tufted perennial resembling Andropogon gerardii but with elongated creeping rhizomes.
Culms: 		Robust, 1-2 m. tall, simple at the base, branched above, more or less glaucous, glabrous or nearly so.
Blades: 	Flat, 20-30 cm. long, 5-8 mm. wide, smooth beneath, slightly scabrous above, margins scabrous.
Sheaths: 	Shorter than the internodes, glabrous and glaucous.
Ligule:		Membranous, 3-4 mm. long, villous just back of ligule.
Inflorescence: 	Spikelike racemes, 2-5 on peduncles, in pairs, or approximate, 5-10 cm. long, the
		lateral ones often included in the sheaths, rachis internodes 4-5 mm. long, copiously villous,
		bearing in pairs a sessile fertile spikelet and a pedicelled staminate one, the pedicel copiously villous,
		the hairs grayish to pale golden.
Spikelets: 	Sessile spikelets about 1 cm. long, awned; pedicellate spikelet slightly larger, awnless.
Glumes: 	Of fertile spikelet subequal, glabrous at the base, pubescent towards the apex and on the margins.
Lemmas: 	Sterile lemma empty, hyaline, awnless, fertile lemma membranous or hyaline, shorter than the
		glumes, awnless or with an awn usually less than length of the spikelets.
Habitat: 	Sandy soil, prairies and plains, sandhills.  July-September.
Range: 		North Dakota and eastern Montana to Texas, Wyoming, Utah and Arizona; Iowa.
Kansas Range: West half.
Use: 		Native grass on sandy plains.
Remarks: 	Intergrades with Andropogon gerardii.
Synonyms:	Andropogon gerardii Vitman var. incanescens (Hack.) Boivin
		Andropogon gerardii Vitman var. paucipilus (Nash) Fern.
		Andropogon hallii Hack. var. incanescens Hack.