Eutrochium maculatum (L.) E.E. Lamont
Spotted joe-pye weed, spotted trumpet-weed
Kingdom Plantae Plants, but not fungi, lichens, or algae
Subkingdom Tracheobionta Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division Magnoliophyta Flowering plants, also known as angiosperms
Class Magnoliopsida Dicotyledons—plants with two initial seed leaves
Subclass Asteridae A large class that encompasses asters
Order Asterales Flowering plants with a central disk flower and surrounding petals, like daisies
Family Asteraceae The aster family, which also includes daisies and sunflowers; from the Greek ἀστήρ, “star,” for the star-shaped flowers
Genus Eutrochium
Species maculatum
About plant names...
An American native named Joe-Pye is believed to have used this plant to cure fevers,
becoming the namesake for this and several related species.
Identification: Spotted Joe-Pye weed is 2-6′ (60-182 cm) in height.
Individual flowers are very small, forming clusters 4-6″ (10-15 cm) across, that are pink or lavender in color.
They are found in soil that is
moist through much of the season. Leaves smell like vanilla when crushed.
This plant can be distinguished from several close
relatives by its deep purple or purple-spotted stem.
Online References:
The Connecticut Botanical Society's Connecticut wildflowers site
The Lady Bird Johnson Wildflower Center
The Connecticut Botanical Society's Connecticut wildflowers site (Eupatorium maculatum)
SEINet—the Southwest Environmental Information Network
EFloras
References:
Newcomb, Lawrence, Morrison, Gordon (Illus.), Newcomb’s Wildflower Guide , Little, Brown and Company, 1977 , p. 436
8/4/2009 · Near Nashoba Hospital, Ayer, Massachusetts · ≈ 1 × 2′ (40 × 60 cm)
8/15/2021 · Bass Falls Preserve, Alna, Maine · ≈ 7 × 4½″ (16 × 11 cm)
8/3/2012 · Bemis Rd Conservation Area, Pepperell, Massachusetts · ≈ 9 × 6″ (23 × 15 cm)
8/2/2015 · Mt. Watatic, Ashby area, Massachusetts · ≈ 7 × 4½″ (18 × 12 cm)
8/3/2012 · Bemis Rd Conservation Area, Pepperell, Massachusetts · ≈ 6 × 4″ (15 × 10 cm)
8/2/2015 · Mt. Watatic, Ashby area, Massachusetts · ≈ 7 × 4½″ (18 × 12 cm)
8/13/2012 · Squannacook River Wildlife Management Area, Groton, Shirley, & Townsend, Massachusetts · ≈ 11 × 7″ (27 × 18 cm)
8/15/2021 · Bass Falls Preserve, Alna, Maine · ≈ 7 × 4½″ (16 × 11 cm)
8/13/2012 · Squannacook River Wildlife Management Area, Groton, Shirley, & Townsend, Massachusetts · ≈ 9 × 6″ (23 × 15 cm)
Older scientific or horticultural names
Eupatoriadelphus maculatus (L.) R.M. King & H. Rob.
Eupatorium maculatum L.
Eupatorium purpureum L. var. maculatum (L.) Darl.
Eutrochium maculatum description by Thomas H. Kent, last updated 31 Aug 2021.
© FloraFinder.org. All rights reserved.
8/13/2012 · Squannacook River Wildlife Management Area, Groton, Shirley, & Townsend, Massachusetts · ≈ 15 × 10″ (39 × 26 cm)
8/3/2012 · Bemis Rd Conservation Area, Pepperell, Massachusetts · ≈ 7 × 4½″ (17 × 11 cm)
8/6/2013 · Dunstable Rural Land Trust, Dunstable, Massachusetts
8/14/2015 · Roost Trail, Grafton Notch State Park, Newry, Maine · ≈ 8 × 5″ (19 × 12 cm)
8/4/2009 · Near Nashoba Hospital, Ayer, Massachusetts
8/6/2013 · Dunstable Rural Land Trust, Dunstable, Massachusetts
7/21/2010 · Nashua River Rail Trail, Ayer, Massachusetts · ≈ 12 × 17″ (29 × 44 cm)
8/3/2012 · Bemis Rd Conservation Area, Pepperell, Massachusetts · ≈ 9 × 6″ (23 × 15 cm)
8/2/2015 · Mt. Watatic, Ashby area, Massachusetts · ≈ 7 × 4½″ (18 × 12 cm)
8/4/2006 · Moss Glen Falls, Vermont
8/3/2012 · Bemis Rd Conservation Area, Pepperell, Massachusetts · ≈ 9 × 6″ (22 × 14 cm)
8/6/2013 · Dunstable Rural Land Trust, Dunstable, Massachusetts
8/2/2015 · Mt. Watatic, Ashby area, Massachusetts · ≈ 7 × 4½″ (18 × 12 cm)
Young plants. · 6/22/2010 · Nashua River Rail Trail, Ayer, Massachusetts · ≈ 17 × 12″ (44 × 29 cm)
8/15/2021 · Bass Falls Preserve, Alna, Maine · ≈ 5 × 3½″ (13 × 9 cm)
8/13/2012 · Squannacook River Wildlife Management Area, Groton, Shirley, & Townsend, Massachusetts · ≈ 8 × 5″ (19 × 13 cm)
Range:
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