Flora of North America species comparison

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Aristida purpurascens var. purpurascens
Photo is of parent taxon

arrowfeather threeawn
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.
Lower

sheaths longer than the internodes, usually glabrous, or occasionally with appressed-pilose hairs;

blades 1-3 mm wide, often curling.

Aristida purpurascens var. purpurascens
Distribution
from FNA
AL; AR; CT; DC; DE; FL; GA; IL; IN; KS; KY; LA; MA; MD; MI; MO; MS; NC; NE; NJ; NY; OH; OK; PA; RI; SC; TN; TX; VA; WI; WV; ON
[BONAP county map]
Discussion

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

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 25, p. 340.
Parent taxa Poaceae > subfam. Aristidoideae > tribe Aristideae > Aristida > Aristida purpurascens
Sibling taxa
A. purpurascens var. tenuispica, A. purpurascens var. virgata
Synonyms A. purpurascens var. minor, A. affinis
Name authority unknown
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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