Eutrochium

Contains 2 accepted taxa overall.

Characteristics

Eutrochium Raf.
ASTERACEAE
JOE PYE WEED
View USF Herbarium specimens of this family
This genus is characterized by whorled and relatively wide leaves.

Classification

ASTERALES
Eutrochium

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 fistulosum QUEEN-OF-THE-MEADOW; JOE PYE WEED Native FACW (NWPL) FACW (DEP)
Eutrochium purpureum SWEETSCENTED JOEPYEWEED Native FAC (NWPL) FAC (DEP)

Identification Key

1.  Stems hollow, usually purplish and glaucous throughout
E. fistulosum
1.  Stems solid (rarely hollow near bases), purple at nodes
E. purpureum

Genus Synonyms

Synonym Full Citation Basionym Type
Eupatoriadelphus Eupatoriadelphus R. M. King & H. Robinson, Phytologia 19: 431. 1970. TYPE: Eupatoriadelphus purpureus (Linnaeus) R. M. King & H. Robinson 1970. (Eupatorium purpureum Linnaeus 1753.) = Eutrochium Rafinesque 1838.