Aster praealtus
Willow-leaved aster Taxonomy
Synonyms: Symphyotrichum praealtum, Aster praealtus var. angustior, Aster praealtus var. praealtus, Aster praealtus var. subasper 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: Dicot-herb, perennial Roots: adventitious, rhizomes Shoots: alternate leaf arrangment; simple leaf type; entire leaf margin; Pinnate leaf venation; awl-shaped, linear, oblong, lanceolate, obovate leaf shape Inflorescence: head Flowers: perfect, unisexual, monoecious; complete, incomplete, regular, irregular; blue, violet; epigynous ovary position Fruit: achene Physiology: autotrophic Reproduction: sexual, vegetative
Ecology & Natural History
Habitat: Species is distributed in wet meadows, river bottom prairies, prairie swales, fields in valleys and uplands; along roadsides. ILPIN Notes: Species is often densely colonial; rarely with white rays. Leaves are thick, conspicuously reticulate beneath with nearly isodiametric areolae. Disk florets are perfect; ray florets are pistillate; both fertile. This is a beautiful species and deserves a wider recognition horticulturally. Functional Relationships:
Human Relationships:
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