Contains 4 accepted taxa overall.
Characteristics
This genus is characterized by whorled and relatively wide leaves.
Classification
Citation
EUTROCHIUM Rafinesque, New Fl. 4: 78. 1838 ("1836").
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TYPE: Eutrochium purpureum (Linnaeus) E. E. Lamont 2004. (Eupatorium purpureum Linnaeus 1753.) Typified by E. E. Lamont, Sida 21: 901. 2004.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Eutrochium dubium | Three-nerved Joe-pye-weed | |||
| Eutrochium fistulosum | Hollow-stem Joe-pye-weed | |||
| Eutrochium purpureum var. carolinianum | Carolina Joe-Pye-weed | |||
| Eutrochium purpureum var. purpureum | Purple-node Joe-pye-weed |
Identification Key
1. Stems hollow, usually purplish and glaucous throughout
1. Stems solid (rarely hollow near bases), purple at nodes
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| No synonyms found. | |||