Eupatorium hyssopifolium

Taxobox
regnum = Plantae
divisio = Angiospermae
unranked_classis = eudicot
ordo = Asterales
familia = Asteraceae
tribus = Eupatorieae
genus = "Eupatorium"
species = "E. hyssopifolium"
binomial = "Eupatorium hyssopifolium"
binomial_authority = L.

"Eupatorium hyssopifolium", also known as Hyssopleaf thoroughwort, is a fall-blooming herbaceous plant native to North America.cite web | url = http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242416528 | title = Eupatorium hyssopifolium | work = Flora of North America ] Like other members of the genus "Eupatorium" it has inflorescences containing a large number of white flowers with disc florets and no ray florets.cite web | url = http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=112351 | title = Eupatorium | work = Flora of North America ] At 0.5 to one meter tall, it is towards the shorter end of the range of heights found in "Eupatorium" species.

Plants which 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 "Eupatorium album" and "Eupatorium linearifolium" also seem to exist. The hybrid "Eupatorium torreyanum" is similar to "E. hyssopifolium" but is a hybrid of "E. serotinum" and "Eupatorium mohrii".

"E. hyssopifolium" is found in much of the eastern United States, as far north as New York and Illinois, as far west as Texas, and as far south as Florida. [cite web | url = http://plants.usda.gov/java/profile?symbol=EUHY | title = Eupatorium hyssopifolium | work = USDA PLANTS ] It grows in moist soils.

Uses

The plant can be used medicinally (applied externally for insect and reptile bites).cite web | url = http://www.pfaf.org/database/plants.php?Eupatorium+hyssopifolium | title = Eupatorium hyssopifolium | work = Plants for a Future ] It can also be planted near crops to attract beneficial insects. [cite journal | url = http://www.ncbi.nlm.nih.gov/pubmed/18419920 | pmid = 18419920 | year = 2008 | month = Apr | author = Frank, Sd; Shrewsbury, Pm; Esiekpe, O | title = Spatial and temporal variation in natural enemy assemblages on Maryland native plant species | volume = 37 | issue = 2 | pages = 478–86 | issn = 0046-225X | journal = Environmental entomology]

References

External links

* [http://www.missouriplants.com/Whiteopp/Eupatorium_hyssopifolium_page.html missouriplants.com page] including photo