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Bransford, W.D. and Dolphia
Eupatorium perfoliatum L.
USDA Symbol: eupe3
USDA Native Status: L48 (N), CAN (N)
Tiny, white flowers are arranged in fuzzy clusters top the 3-6 ft. stems of this perennial. Hairy plant with dense flat-topped clusters of many dull-white flowers. Paired leaves, united basally, are perforated by the erect stems.
As suggested by the Latin species name, the stem appears to be growing through the leaf. To early herb doctors, this indicated the plant would be useful in setting bones, so its leaves were wrapped with bandages around splints. The dried leaves have also been used to make a tonic, boneset tea, thought effective in treating colds, coughs, and constipation. Upland Boneset (E. sessilifolium) is somewhat similar, but its leaves are not fused at the base.
Plant CharacteristicsDuration: Perennial Habit: Herb Size Notes:
3-6 Fruit: Size Class:
Bloom InformationBloom Color: White
Bloom Time: Jun , Jul , Aug , Sep , Oct
, WV Canada: MB
, QC Native Distribution:
E. Canada to FL,
w. to e. Dakotas, w. NE,
& n. TX Native Habitat:
Damp prairies; alluvial woods; bogs
Growing ConditionsLight Requirement: Sun , Part Shade , Shade
Soil Moisture: Moist , Wet
Soil Description: Moist to wet soils
BenefitUse Medicinal: The dried leaves have been used to make a tonic, boneset tea, thought effective in treating colds, coughs, and constipation. (Niering)
Conspicuous Flowers: yes
Attracts: Birds , Butterflies
Nectar Source: yes
PropagationDescription: Sow seeds in the fall and plant thickly as germination is usually low. Clumps can be divided in spring or fall.
Seed Collection: Not Available
Seed Treatment: Seeds germinate when incubated at 70-85 degrees in the presence of light.
Commercially Avail: yes
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
From the National Organizations Directory
According to the species list provided by Affiliate Organizations, this plant is either on display or available from the following:
- Picayune, MSNative Seed Network
- Corvallis, ORMt. Cuba Center
- Hockessin, DE
Record Last Modified: 2012-12-07
Research By: TWC Staff