Eutrochium fistulosum
| Scientific Name: | Eutrochium fistulosum |
| Synonym: | Eupatoriadelphus, Eupatorium |
| Family: | Asteraceae |
| Common Name: | Hollow Joe-Pye Weed |
| Authority: | (Barratt) E.E. Lamont |
| Etymology: | |
| C Value: | 7 |
| Wetness: | OBL |
| # of Species in Genus in Illinois: | 3 |
| Duration: | Perennial |
| Reproduction: | Monoecious |
| Flower Type: | Perfect |
| Flower Shape: | |
| Flower # of Parts: | |
| Flower Color: | Pink, Purple |
| Growth Habit: | Forb |
| Leaf Arrangement: | Whorled |
| Leaf Type: | Simple |
| Leaf Shape: | |
| Leaf Shape Term: | |
| Leaf Margin: | |
| Leaf Toothing: | Serrate |
| Stem Surface: | |
| Trunk/Bark: | |
| Armature: | |
| Twig Characteristics: | |
| Habitat: | |
| Distribution: | BONAP Distribution Map |
| Status (State): | |
| Status (Federal): | |
| ID Tips: | Purple, hollow stem and a similar appearance to other Joe-Pye weeds, but it contains more than 5 leaves per whorl |
| Gee Whiz: | The species name comes from the fistula (a hollow stem), which is also where the common name comes from |
| Humor: | |
| More Info: | Illinois Wildflowers Search |