Copy permalink to share
Asteraceae
Eupatorium

not marked as a favorite taxon Eupatorium altissimum Linnaeus. Common name: Tall Thoroughwort. Phenology: Late Aug-Nov. Habitat: Woodlands, old fields, woodland borders, and openings over mafic rocks (such as diabase) or calcareous rocks (such as limestone and calcareous sandstone). Distribution: CT, NY, QC, MN, and NE, south to Panhandle FL and TX, primarily in the midwest, especially on limestone substrates, and uncommon east of the mountains.

Glossary (beta!)

Origin/Endemic status: Native

Synonymy ⓘ: = F, G, GrPl, Il, K4, Mi, NcTx, NE, NY, Oh3, Pa, RAB, S, Tn, Tx, Va, W, WV; = n/a — Tat; < Eupatorium altissimum L. — Ar, C, Fl7, FNA21, SE1, WH3; Eupatorium altissimum L. Basionym: Eupatorium altissimum L. 1753

Links to other floras: < Eupatorium altissimum - FNA21

Show in key(s)

Show parent genus | Show parent in key(s)

Heliophily ⓘ: 8

Your browser does not support SVGs

Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.

image #1 of Eupatorium altissimum© Gary P. Fleming | Original Image ⭷
image #2 of Eupatorium altissimum© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #3 of Eupatorium altissimum© Erik Danielson source | Original Image ⭷
image #4 of Eupatorium altissimum© Gary P. Fleming | Original Image ⭷
image #5 of Eupatorium altissimum© Gary P. Fleming | Original Image ⭷
image #6 of Eupatorium altissimum© Erik Danielson source | Original Image ⭷

Feedback

See something missing or incorrect about Eupatorium altissimum? Let us know here:
  1. Please include your name and if possible, email in case when need to clarify what you wrote.
  2. If you opt out of including email, please be as specific as possible (e.g., which photo is incorrect?)
  3. Please do not submit questions asking to identify plants or about horticultural topics (e.g., how do I control an invasive plant in my garden?). Instead, those questions can be submitted here for the Carolinas region only.
  4. Please do not send us feedback about unkeyed species as this work is ongoing.
  5. Please allow time for flora edits to show in our next data release. We greatly appreciate your feedback but may require extra time to research complicated taxonomic issues.

Horticultural Information

NCBG trait

Intro:

Stems:

Leaves:

Inforescence:

Flowers:

Fruits:

Comments:

Height:

plant sale text:

bloom table text:

description:

stems:

leaves:

inflorescence:

flowers:

fruits:

comments:

cultural notes:

germination code:

native range:



0 unsaved edits on this page.