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Eupatorium perfoliatum L.
COMMON BONESET
Life   Plantae   Dicotyledoneae   Asteraceae   Eupatorium

Eupatorium perfoliatum
© Les Mehrhoff, 2008-2010 · 5
Eupatorium perfoliatum

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Eupatorium perfoliatum, Perfoliate Boneset
© Copyright Sheryl Pollock 2011 · 4
Eupatorium perfoliatum, Perfoliate Boneset
Eupatorium perfoliatum
© Les Mehrhoff, 2008-2010 · 3
Eupatorium perfoliatum

Eupatorium perfoliatum, Boneset, leaf tip upper
© Copyright Claire Rosemond 2010 · 1
Eupatorium perfoliatum, Boneset, leaf tip upper
Eupatorium perfoliatum, Boneset, leaf bud
© Copyright Claire Rosemond 2010 · 1
Eupatorium perfoliatum, Boneset, leaf bud

Eupatorium perfoliatum, leaf and flower
© Kay Yatskievych, 2003 · 1
Eupatorium perfoliatum, leaf and flower
Eupatorium perfoliatum
© Les Mehrhoff, 2008-2010 · 1
Eupatorium perfoliatum

Eupatorium perfoliatum, Common Boneset
© Copyright Sheryl Pollock 2011 · 1
Eupatorium perfoliatum, Common Boneset

Associates · map
FamilyScientific name @ source (records)
Aphididae  Uroleucon ( @ NCSU (6)

Uroleucon @ AMNH_PBI (1)
Apidae  Bombus citrinus @ AMNH_BEE (1)

Bombus impatiens @ AMNH_BEE (1)

Bombus ternarius @ AMNH_BEE (5)

Bombus terricola @ AMNH_BEE (1); VTST_ENT (1)

Bombus vagans @ AMNH_BEE (3)
Cicadellidae  Empoasca distracta @ III (1)
Coccinellidae  Harmonia axyridis @ I_LB (1)
Erysiphaceae  Erysiphe cichoracearum @ BPI (27)
Megachilidae  Megachile latimanus @ BBSL (2); AMNH_BEE (1)
Membracidae  Entylia carinata @ NCSU (1)

Publilia concava @ NCSU (16)
Miridae  Plagiognathus politus @ NCSU_ENT (3)
Mycosphaerellaceae  Cercospora ageratoides @ BPI (1)

Cercospora perfoliata @ BPI (5)

Septoria eupatorii @ BPI (2)
Pucciniaceae  Puccinia eleocharidis @ BPI (68)
Uropyxidaceae  Aecidium compositarum @ BPI (2)
_  Periconia pycnospora @ BPI (2)

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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Eupatorium perfoliatum L. Perfoliate Thoroughwort
(Boneset) Asteraceae — Aster family
Native
Eupatorium perfoliatum Eupatorium perfoliatum
Tweed's Park
September 2008

More information on this plant, from other sources.


Copyright David G. Smith

Delaware Wildflowers main page

Following modified from MissouriPlants.com
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Eupatorium perfoliatum L.

Eupatorium perfoliatum plant

Family - Asteraceae

Stems - To 1.5m tall, erect, herbaceous, villous to hirsute, branching above, from thick rhizomes.

Eupatorium perfoliatum stem

Leaves - Opposite, decussate, to 20cm long, 4cm broad, crenate-serrate, lanceolate, densely pubescent below, pubescent above, acuminate. At least the middle and lower cauline leaves typically perfoliate.

Eupatorium perfoliatum leaf base

Inflorescence - Terminal flat-topped to subdomed cymes dense with flower heads. Peduncles villous to densely pubescent. Flower heads with +/-15 flowers (florets).

Involucre - To 6mm tall(long), 3mm in diameter. Phyllaries imbricate, pubescent to villous externally, green, 3.5mm long, 1mm broad, linear to linear-oblong, acuminate. Margins near apex slightly scarious.

Ray flowers - Absent.

Disk flowers - Corolla white to pinkish, 5-lobed, to 5mm long. Lobes acute. Stamens 5, included. Anthers connate around style, purplish. Style bifurcate, exserted. Pappus of capillary bristles. Achenes black when mature.

Eupatorium perfoliatum flowers Disk flower close-up.

Flowering - July - October.

Habitat - Moist to wet ground.

Origin - Native to U.S.

Other info. - Steyermark lists two varieties for this species. Variety perfoliatum , (pictured above), has leaves which are perfoliate. Variety cuneatum Engelm has leaves with distinct bases which are not perfoliate.
All of the members of this genus are fairly easy to identify but this is one of the easiest with its villous stems and perfoliate leaves.

Photographs taken along the shores of the Current River, Shannon County, MO., 8-16-03.


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Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=EUPE3 ---> https://plants.usda.gov/java/profile?symbol=EUPE3
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://plants.usda.gov/java/profile?symbol=EUPE3

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Eupatorium+perfoliatum+var.+perfoliatum+&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Eupatorium+perfoliatum+var.+perfoliatum+&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Eupatorium+perfoliatum+var.+perfoliatum+&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

Following modified from CalPhotos
   Top | See original

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Eupatorium+perfoliatum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Eupatorium+perfoliatum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Eupatorium+perfoliatum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

Updated: 2017-12-12 20:38:33 gmt
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