Eutrochium maculatum var. bruneri

(Spotted Joe Pye Weed)

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Eutrochium maculatum var. bruneri, West Creek, Unaweep Canyon, Mesa Co. 8617

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Eutrochium maculatum var. bruneri, West Creek, Unaweep Canyon, Mesa Co. 8594

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Eutrochium maculatum var. bruneri, West Creek, Unaweep Canyon, Mesa Co. 8580

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Eutrochium maculatum var. bruneri, West Creek, Unaweep Canyon, Mesa Co. 8587

Scientific Name Eutrochium maculatum var. bruneri (Eupatoriadelphus maculatus var. bruneri) USDA PLANTS Symbol EUMAB4
Common Name Western Spotted Gravel-root, Spotted Joe-Pye-weed ITIS Taxonomic Serial No. 780903
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Foothills (5000 to 7500 ft.); moist areas in meadows, along streams, ditches, swamps.
Plant: Erect perennial 2 to 7 feet tall; rigid green to purple stems with dark spots, covered with fine soft hairs; branched at the the inflorescence.
Leaves: Groups of 4 or 5 leaves in whorls; lanceolate, 2-3/8 to 6 inches long with toothed margins, conspicuous veins on upper surfaces, gland-spotted lower leaf surfaces.
Inflorescence: Flat-topped corymbs 3 to 6 inches across of multiple groups of 9 to 20 small rayless composite blossoms; involucres and disc florets purplish, white protruding stamens.
Bloom Period: July to September.
References: "Flora of Colorado" by Jennifer Ackerfield, Illinois Wildflowers and Flora of North America.
BONAP Distribution Map

Map Color Key
Colorado Status:
Native

© Tom Lebsack 2024

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County