Eupatorium hyssopifolium

Eupatorium hyssopifolium
	E. hyssopifolium in bloom.
Conservation status
	; Secure (NatureServe)[1]
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; L.
Synonyms[2]
	Synonymy Eupatorium crassifolium Raf. ; Eupatorium lecheifolium Greene ; Eupatorium linearifolium Michx. ; Eupatorium torreyanum Short ex Torr. & A.Gray ; Uncasia hyssopifolia (L.) Greene ; Uncasia lecheaefolia (Greene) Greene ; Uncasia lecheifolia (Greene) Greene ; Uncasia torreyana (Short & Peter) Greene ;

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]

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

Eupatorium 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

"Eupatorium hyssopifolium". NatureServe Explorer. NatureServe. Retrieved 2010-09-12.
"Eupatorium hyssopifolium L.". The Global Compositae Checklist (GCC) – via The Plant List. Note that this website has been superseded by World Flora Online
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.
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.
"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

Missouri Plants

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[natureserve-1] "Eupatorium hyssopifolium". NatureServe Explorer. NatureServe. Retrieved 2010-09-12.

[2] "Eupatorium hyssopifolium L.". The Global Compositae Checklist (GCC) – via The Plant List. Note that this website has been superseded by World Flora Online

[fna-3] 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.

[fna-eupatorium-4] 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.

[5] USDA, NRCS (n.d.). "Eupatorium hyssopifolium". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team.

[future-6] "Eupatorium hyssopifolium". Plants for a Future.

[7] 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.