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Asteraceae
Eutrochium

not marked as a favorite taxon Eutrochium fistulosum (Barratt) E.E. Lamont. Common name: Hollow-stem Joe-pye-weed, Trumpetweed. Phenology: Jul-Oct. Habitat: Moist forests, marshes, fields, ditches. Distribution: S. ME, NY, s. MI, IL, and MO, south to c. peninsular FL, Panhandle FL, and e. TX.

Glossary (beta!)

ID notes: The most robust of the Joe-pye-weeds, usually 2-4 m tall.

Origin/Endemic status: Native

Synonymy ⓘ: = Ar, Fl7, FNA21, Il, K4, Mi, NE, NY, Pa, Tn, Va, Lamont (2004); = Eupatoriadelphus fistulosus (Barratt) King & H.Rob. — GW2, Schmidt & Schilling (2000); = Eupatorium fistulosum Barratt — C, F, G, Mo2, Oh3, RAB, SE1, Tat, Tx, W, WH3, WV, Lamont (1995); = Eupatorium maculatum L. — S, misapplied. Basionym: Eupatorium fistulosum Barratt 1841

Links to other floras: = Eutrochium fistulosum - FNA21

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW
  • Eastern Mountains and Piedmont: FACW
  • Great Plains: FACW
  • Midwest: OBL
  • Northcentral & Northeast: FACW

Heliophily ⓘ: 7

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image #1 of Eutrochium fistulosum© Keith Bradley | Original Image ⭷
image #2 of Eutrochium fistulosum© abelkinser, some rights reserved (CC BY-NC) source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #3 of Eutrochium fistulosum© Gary P. Fleming | Original Image ⭷
image #4 of Eutrochium fistulosum© Scott Ward | Original Image ⭷
image #5 of Eutrochium fistulosum© Sonnia Hill | Original Image ⭷
image #6 of Eutrochium fistulosum© Scott Ward | Original Image ⭷
image #7 of Eutrochium fistulosum© Scott Ward | Original Image ⭷
image #8 of Eutrochium fistulosum© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #9 of Eutrochium fistulosum© Bruce A. Sorrie | Original Image ⭷
image #10 of Eutrochium fistulosum© Janet Wright, some rights reserved (CC BY-NC), uploaded by Janet Wright source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #11 of Eutrochium fistulosum© Scott Ward | Original Image ⭷
image #12 of Eutrochium fistulosum© abelkinser, some rights reserved (CC BY-NC) source CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #13 of Eutrochium fistulosum© Grant Morrow Parkins | Original Image ⭷
image #14 of Eutrochium fistulosum© Richard & Teresa Ware CC-BY-NC, permission granted to NCBG | Original Image ⭷
image #15 of Eutrochium fistulosum© Gary P. Fleming | Original Image ⭷

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Horticultural Information

NCBG trait

Intro: Large, erect perennial of moist forests, bottomlands, marshes and ditches.

Stems: Stems stout, hollow, unbranched, purplish (sometimes green below) and with a white-waxy coating.

Leaves: Leaves in whorls of 3-7, petiolate, narrowly elliptic or lance-shaped, to 10 in. long, toothed.

Inforescence:

Flowers: Composite flowers (heads) in small clusters within a large, domed terminal cluster; heads about 1/3 in. long, consisting of 4-7 dull pinkish-purple, tubular disk florets (no ray florets) with protruding styles. Several series of narrow, overlapping bracts surround the base of each head.

Fruits:

Comments: The mildly fragrant flowers are very attractive to butterflies.

Height: 5-8 ft.

plant sale text: Hollow-stem joe-pye-weed is a large and dramatic perennial that is sure to be a focal point in the garden. As this plant reaches maturity, it will become more and more robust, reaching heights of up to 8 feet and widths of more than 5 feet across. This plant works well in the back of a perennial border or in more naturalized areas. Joe-pye-weeds are some of the best native perennials for butterfly gardening. In late summer, the mauve-pink flower heads will attract many species with their abundant nectar. 2017 N.C. Wildflower of the Year.

bloom table text: Hollow-stem joe-pye-weed is a large and dramatic perennial that is sure to be a focal point in the garden. As this plant reaches maturity, it will become more and more robust, reaching heights of up to 8 feet and widths of more than 5 feet across. This plant works well in the back of a perennial border or in more naturalized areas. Joe-pye-weeds are some of the best native perennials for butterfly gardening. In late summer, the mauve-pink flower heads will attract many species with their abundant nectar. 2017 N.C. Wildflower of the Year.

description: Large, erect perennial of moist forests, bottomlands, marshes and ditches.

stems: Stems stout, hollow, unbranched, purplish (sometimes green below) and with a white-waxy coating.

leaves: Leaves in whorls of 3-7, petiolate, narrowly elliptic or lance-shaped, to 10 in. long, toothed.

inflorescence:

flowers: Composite flowers (heads) in small clusters within a large, domed terminal cluster; heads about 1/3 in. long, consisting of 4-7 dull pinkish-purple, tubular disk florets (no ray florets) with protruding styles. Several series of narrow, overlapping bracts surround the base of each head.

fruits:

comments: The mildly fragrant flowers are very attractive to butterflies.

cultural notes:

germination code: 2

native range: eastern United States



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