Aristida purpurascens
Arrowfeather Taxonomy
Synonyms: Aristida purpurascens var. pupurascens, Aristida geylriana Subspecific taxa: Classification: Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI Species Distribution
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County Map Legend
Absent: Not known from county Medium confidence: Medium or unknown confidence; often old records or unverifiable observations Medium-high confidence: Often observations by expert botanists High confidence: Often vouchered herbarium records Planted / introduced: Native species introduced outside historic range, or only in planted locations within county (e.g., restorations) Historic / extirpated: Only historic records for the species; likely extirpated (Note that this category is not yet functional) North American distribution maps for this species: FLNA;  USDA Plants;  BONAP;  BISON
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Species Status
Status/Listing: No Information Notes: Origin: Native
Species Description
General: Monocot, perennial Roots: adventitious, fibrous Shoots: alternate leaf arrangment; simple leaf type; entire leaf margin; Parallel leaf venation; awl-shaped leaf shape Inflorescence: panicle Flowers: perfect; 3 merous; complete; hypogynous ovary position Fruit: grain Physiology: autotrophic Reproduction:
Ecology & Natural History
Habitat: Species is distributed in sandy soil. It is found in open oak or pine-oak, often with sourgum and red maple, woodlands developed over acid rock strata of chert sandstone or granite. Sometimes it is found on chert, and granite glades; in open sterile ground. In northern Illinois, it is found in sand barrens, and at Grand beach in Berrien county. ILPIN Notes: This is the only perennial Aristida in Illinois. First glume is longer than the second. Species is found throughout state, but is tending to be uncommon in the southern counties. Steudal's A. geyeriana was originally collected in Illinois. Stephens, H.A. 1980. Poisonous Plants of the Central United States. Regent Press of Kansas. Lawrence, KA. 165 pp. Functional Relationships:
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Coefficient of Conservatism (C-value) [?] :
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