- Eupatorium sessilifolium
Taxobox
image_caption =
name = "Upland boneset"
regnum =Plant ae
divisio =Angiospermae
unranked_classis =eudicot
ordo =Asterales
familia =Asteraceae
tribus =Eupatorieae
genus = "Eupatorium "
species = "E. sessilifolium"
binomial = "Eupatorium sessilifolium"
binomial_authority = L.
synonyms ="Eupatorium sessilifolium", commonly called Upland Boneset or Sessile-leaved Boneset, is a herbaceous perennial plant in the family
Asteraceae . This species is native to eastern North America, where it blooms in late summer with white flowers.Description
Upland Boneset has stems that grow from 50 to over 100 centimeters tall. They are produced from a caudice or short
rhizome . The top of the stems, where the branching begins to the flower heads, have short hairs, while the lower part of the stems have no hairs. The leaves are arranged in opposite pairs and are toothed. The leaf bases are rounded and the leaves are sessile (lacking stalks), but they do not clasp around the stem. The foliage is dotted with glands. "Eupatorium sessilifolium" blooms in August and September (July in the southern part of its range), and the smallinflorescence s are branched and composed of widely-spaced, white flower heads in corymbiform arrays. The heads typically have five or sixdisc floret s per head, and no ray florets. [http://wisplants.uwsp.edu/scripts/Detail.asp?spcode=EUPSESvBRI] [cite web | url = http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=242416537 | title = Eupatorium | work =Flora of North America ]Upland Boneset has a wide distribution within the eastern and central United States, [http://plants.usda.gov/java/profile?symbol=EUSE3] but is endangered in
Minnesota ,New Hampshire , andVermont . It is a threatened species inMichigan , and legally protected in that state. [http://web4.msue.msu.edu/mnfi/explorer/species.cfm?id=13517]References
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