Eupatorium altissimum
Tall thoroughwort, Tall boneset Taxonomy
Synonyms: Ageratina altissima Subspecific taxa: Classification:
Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI Images
   
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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:This plant tends to occurr on limestone soils, often occurring with and mis-identified as Brickelia eupatoriodes Origin: Native
Species Description
General: Dicot-herb, perennial Roots: Shoots: opposite leaf arrangment; simple leaf type; entire, serrate leaf margin; Pinnate leaf venation; oblong, lanceolate leaf shape Inflorescence: head Flowers: perfect; 5 merous; complete, regular; white; epigynous ovary position Fruit: achene Physiology: autotrophic Reproduction: sexual
Ecology & Natural History
Habitat: Species is distributed in open or rocky woods, wasteground, and fallow fields. It is a common weed of dry abandoned fields, old pastures, and dry, calcareous weedy ground. ILPIN Notes: Regarding leaf venation, it may be pinnate or other. Functional Relationships:
Human Relationships:
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