Illinois Natural History Survey - University of Illinois

Eupatorium altissimum
Tall thoroughwort, Tall boneset
Taxonomy

Synonyms: Ageratina altissima

Subspecific taxa:

Classification:

Other taxonomic & nomenclature sources: USDA PlantsITISThe Plant ListIPNI

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: FLNAUSDA PlantsBONAPBISON

Collection & Observation Phenology [?]

J
0
F
0
M
0
A
0
M
0
J
0
J
0
A
0
S
0
O
0
N
0
D
0

Collection & Observation Timeline [?]

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

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:

  • Edibility [?] :
  • Showy Flowers:

Wildlife and Livestock Information:

  • Food Value:
  • Cover Value:

Coefficient of Conservatism (C-value) [?] :

  • Entire State: 2
  • Chicago Area: 0

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