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Eupatorium serotinum Michx.
UNCASIA SEROTINA GREENE
Lateflowering thoroughwort

Life   Plantae   Dicotyledoneae   Asteraceae   Eupatorium

Eupatorium serotinum, Late-flowering Boneset
© Copyright Sheryl Pollock 2011 · 8
Eupatorium serotinum, Late-flowering Boneset

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Eupatorium serotinum, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Eupatorium serotinum, whole plant - in flower - general view
Eupatorium serotinum, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Eupatorium serotinum, inflorescence - whole - unspecified

Eupatorium serotinum, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Eupatorium serotinum, inflorescence - whole - unspecified
Eupatorium serotinum, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Eupatorium serotinum, stem - showing leaf bases

Eupatorium serotinum, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Eupatorium serotinum, stem - showing leaf bases
Eupatorium serotinum, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Eupatorium serotinum, leaf - basal or on lower stem

Eupatorium serotinum, leaf - margin of upper + lower surface
© Copyright Steve Baskauf, 2002-2011 · 4
Eupatorium serotinum, leaf - margin of upper + lower surface
Eupatorium serotinum, leaf - on upper stem
© Copyright Steve Baskauf, 2002-2011 · 4
Eupatorium serotinum, leaf - on upper stem

Eupatorium serotinum
© Les Mehrhoff, 2008-2010 · 3
Eupatorium serotinum
Eupatorium serotinum, Late-flowering Thoroughwort
© Copyright Sheryl Pollock 2011 · 1
Eupatorium serotinum, Late-flowering Thoroughwort

Eupatorium serotinum, Late-blooming Thoroughwort
© Copyright Sheryl Pollock 2011 · 1
Eupatorium serotinum, Late-blooming Thoroughwort
Eupatorium serotinum, Late-flowering Boneset
© Copyright Sheryl Pollock 2011 · 1
Eupatorium serotinum, Late-flowering Boneset

Eupatorium serotinum, plant
© Kay Yatskievych, 2003 · 1
Eupatorium serotinum, plant

Associates · map
FamilyScientific name @ source (records)
Alydidae  Alydus pilosulus @ MEMU_ENT (3)
Aphididae  Macrosiphum ( @ NCSU (2)

Uroleucon ( @ NCSU (6)
Cicadellidae  Acinopterus acuminatus @ MEMU_ENT (1)

Aulacizes irrorata @ MEMU_ENT (1)

Balclutha @ MEMU_ENT (1)

Chlorotettix ( @ MEMU_ENT (1)

Draeculacephala portola @ MEMU_ENT (2)

Draeculacephala @ MEMU_ENT (1)

Empoasca ( @ MEMU_ENT (2)

Empoasca bicuspida @ III (1)

Empoasca curvexa @ III (1)

Scaphytopius ( @ MEMU_ENT (1)

Stirellus bicolor @ MEMU_ENT (2)
Lygaeidae  Lygaeus turcicus @ AMNH_IZC (1)
Membracidae  Spissistilus festinus @ MEMU_ENT (4)
Miridae  Lygus lineolaris @ MEMU_ENT (18)

Neurocolpus nubilus @ MEMU_ENT (1)

Phytocoris tibialis @ AMNH_PBI (1); MEMU_ENT (1)

Taylorilygus apicalis @ MEMU_ENT (2)
Mycosphaerellaceae  Septoria eupatorii @ BPI (2)
Pentatomidae  Thyanta calceata @ MEMU_ENT (1)
Pucciniaceae  Puccinia dioicae @ BPI (4)

Puccinia eleocharidis @ BPI (2)
_  wasp @ I_AJM (1)

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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Eupatorium serotinum Michx. Late-flowering Thoroughwort
Asteraceae — Aster family
Uncommon native
Eupatorium serotinum
St. Jones River
September 2003

More information on this plant, from other sources.


Copyright David G. Smith

Delaware Wildflowers main page

Following modified from MissouriPlants.com
   Top | See original


Eupatorium serotinum Michx.

Eupatorium serotinum plant

Family - Asteraceae

Stems - To 2m tall, pubescent above, glabrescent below.

Eupatorium serotinum stem

Leaves - Opposite, toothed, petiolate, acuminate, ovate to lanceolate, to +15cm long, 10cm broad, typically glabrous.

Eupatorium serotinum leaf

Inflorescence - Terminal corymbiform clusters with many flower heads. Flower heads with +/-15 flowers.

Eupatorium serotinum inflorescence

Involucre - +/-5mm long(tall). Phyllaries imbricate, obtuse or rounded, pubescent.

Eupatorium serotinum involucre Involucre.

Ray flowers - Absent.

Disk flowers - Corolla white to grayish-lavender, 5-lobed. Pappus of capillary bristles. Achenes black when mature.

Eupatorium serotinum flowers

Flowering - August - October.

Habitat - Pastures, prairies, waste ground, disturbed sites, roadsides, railroads.

Origin - Native to U.S.

Other info. - One of the most common "weeds" in the state, this plant is a dominant presence of the landscape when in full bloom. It is a pioneering plant and thrives in areas which get cut or mowed on occasion. It is definitely the most common Eupatorium in Missouri.

Photographs taken off Hwy 60, Carter County, MO., 8-28-03.


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Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=EUSE2 ---> https://plants.usda.gov/java/profile?symbol=EUSE2
&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=EUSE2

Following modified from CalPhotos
   Top | See original

http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Eupatorium+serotinum&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+serotinum&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+serotinum&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

Updated: 2017-11-19 19:37:35 gmt
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