Eupatorium hyssopifolium, also known as hyssopleaf thoroughwort, is a fall-blooming herbaceous plant native to North America.[3] Like other members of the genus Eupatorium it has inflorescences containing a large number of very small flower heads, each with 5 white disc florets but no ray florets.[4] At 0.5 to one meter (20-40 inches) tall,[3] it is towards the shorter end of the range of heights found in Eupatorium species.[4]
| Eupatorium hyssopifolium | |
|---|---|
| |
| E. hyssopifolium in bloom. | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Eupatorium |
| Species: | E. hyssopifolium
|
| Binomial name | |
| Eupatorium hyssopifolium | |
| Synonyms[2] | |
|
Synonymy
| |
Plants which are classified as E. hyssopifolium can be either diploid or polyploid, and some of them seem to have been the result of past hybridizations with Eupatorium serotinum. Hybrids with E. album and E. linearifolium also seem to exist. The hybrid E. torreyanum is similar to E. hyssopifolium but is a hybrid of E. serotinum and Eupatorium mohrii.[3]
Eupatorium hyssopifolium is found in much of the eastern and south-central United States, from Massachusetts west to Wisconsin, and as far south as Texas and Florida.[3][5] It grows in moist soils.[6]
- Varieties[3]
- Eupatorium hyssopifolium var. hyssopifolium - leaves 2–5 mm wide
- Eupatorium hyssopifolium var. laciniatum A.Gray - leaves 5–15 mm wide
Uses
editEupatorium hyssopifolium can be used medicinally (applied externally for insect and reptile bites).[6] It can also be planted near crops to attract beneficial insects.[7]
References
edit- ^ "Eupatorium hyssopifolium". NatureServe Explorer. NatureServe. Retrieved 2010-09-12.[permanent dead link]
- ^ "Eupatorium hyssopifolium L.". The Global Compositae Checklist (GCC) – via The Plant List. Note that this website has been superseded by World Flora Online
- ^ a b c d e Siripun, Kunsiri Chaw; Schilling, Edward E. (2006). "Eupatorium hyssopifolium". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 21. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
- ^ a b Siripun, Kunsiri Chaw; Schilling, Edward E. (2006). "Eupatorium". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 21. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
- ^ USDA, NRCS (n.d.). "Eupatorium hyssopifolium". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team.
- ^ a b "Eupatorium hyssopifolium". Plants for a Future.
- ^ Frank, SD; Shrewsbury, PM; Esiekpe, O (April 2008). "Spatial and temporal variation in natural enemy assemblages on Maryland native plant species". Environmental Entomology. 37 (2): 478–86. doi:10.1603/0046-225X(2008)37[478:SATVIN]2.0.CO;2. ISSN 0046-225X. PMID 18419920.
External links
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