Aristida purpurascens var. purpurascens

Common names: Arrowfeather threeawn
Synonyms: Aristida purpurascens var. minor Aristida affinis
Treatment appears in FNA Volume 25. Treatment on page 340.

Lower sheaths longer than the internodes, usually glabrous, or occasionally with appressed-pilose hairs; blades 1-3 mm wide, often curling. Glumes unequal; lower glumes 6-10 mm, usually longer than the upper glumes; upper glumes 5-8 mm; awns 15-25 mm, of equal thickness, straight or only slightly contorted, divergent.


Wis., W.Va., Fla., N.J., Conn., Mass., R.I., La., Tenn., N.Y., Pa., Va., Ala., Ark., Ill., Ga., Ind., Ky., Ont., Tex., Ohio, Mo., Mich., Nebr., Miss., D.C., Del., Md., Okla., Kans., N.C., S.C.


Aristida purpurascens var. purpurascens grows in waste places, glades, fields, and pine savannahs in sandy or clay soils. Its range extends into northern Mexico.

Selected References


Lower Taxa


Kelly W. Allred +
Arrowfeather threeawn +
Wis. +, W.Va. +, Fla. +, N.J. +, Conn. +, Mass. +, R.I. +, La. +, Tenn. +, N.Y. +, Pa. +, Va. +, Ala. +, Ark. +, Ill. +, Ga. +, Ind. +, Ky. +, Ont. +, Tex. +, Ohio +, Mo. +, Mich. +, Nebr. +, Miss. +, D.C. +, Del. +, Md. +, Okla. +, Kans. +, N.C. +  and S.C. +
Aristida purpurascens var. minor +  and Aristida affinis +
Aristida purpurascens var. purpurascens +
Aristida purpurascens +
variety +