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Arctium minus (Hill) Bernh.
LESSER BURDOCK
Arctium minus subsp pubens (Bab) P Fourn; Arctium pubens Bab; Lappa minor Hill; Common burdock

Life   Plantae   Dicotyledoneae   Asteraceae   Arctium

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Arctium minus
© Copyright Bobby Hattaway 2011 · 5
Arctium minus
Arctium minus
© Copyright Bobby Hattaway 2011 · 5
Arctium minus

Arctium minus
© Copyright Bobby Hattaway 2011 · 5
Arctium minus
Arctium minus
© Copyright Bobby Hattaway 2011 · 5
Arctium minus

Arctium minus
© Copyright Bobby Hattaway 2011 · 4
Arctium minus
Arctium minus, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Arctium minus, inflorescence - whole - unspecified

Arctium minus, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Arctium minus, inflorescence - whole - unspecified
Arctium minus, leaf - on upper stem
© Copyright Steve Baskauf, 2002-2011 · 4
Arctium minus, leaf - on upper stem

Arctium minus, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Arctium minus, stem - showing leaf bases
Arctium minus, leaf - margin of upper + lower surface
© Copyright Steve Baskauf, 2002-2011 · 4
Arctium minus, leaf - margin of upper + lower surface

Arctium minus
© Les Mehrhoff, 2008-2010 · 4
Arctium minus
Arctium minus
© Copyright Malcolm Storey 2011-2117 · 3
Arctium minus

Arctium minus
© Copyright Malcolm Storey 2011-2117 · 3
Arctium minus
Arctium minus
© Copyright Malcolm Storey 2011-2117 · 3
Arctium minus

Associates · map
FamilyScientific name @ source (records)
Aphididae  Aphis ( @ NCSU_ENT (16)
Apidae  Bombus ashtoni @ AMNH_BEE (1)

Bombus vagans @ AMNH_BEE (1)
Botryosphaeriaceae  Phyllosticta lappae @ BPI (2)
Erysiphaceae  Erysiphe cichoracearum @ BPI (6)

Erysiphe depressa @ BPI (4)
Megachilidae  Megachile centuncularis @ BBSL (3)

Megachile pugnata @ AMNH_BEE (1)
Membracidae  Entylia carinata @ UDCC_TCN (1)
Mycosphaerellaceae  Cercospora arctii-ambrosiae @ BPI (2)

Septoria lapparum @ BPI (2)
Pleosporaceae  Pleospora vulgaris @ BPI (1)
Pucciniaceae  Puccinia balsamorrhizae @ BPI (1)

Puccinia bardanae @ BPI (167)

Puccinia bordanae @ BPI (1)

Puccinia calcitrapae @ BPI (6)
_  Ascochyta lappae @ 802084A (1); 802084B (1)

Euscelidius variegatus @ AMNH_PBI (52)

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ERROR -- Need to remove recursive link: http://pick18.pick.uga.edu/mp/20p%3Fsee%3DI_USID60%26res%3D320 USID_Seeds

Following modified from Delaware Wildflowers
   Top | See original

Delaware Wildflowers  •  Scientific names

Arctium minus Bernh. Lesser Burdock
Asteraceae — Aster family
Non-native
Arctium minus
Carousel Farm Park
July 2000

Guide to Arctium of Delaware

More information on this plant, from other sources.


Copyright David G. Smith

Delaware Wildflowers main page

Following modified from MissouriPlants.com
   Top | See original


Arctium minus Bernh. - Burr Dock

Arctium minus plant

Family - Asteraceae

Stems - To 2m tall, herbaceous, branching, greenish to reddish-purple, sparse arachnoid pubescent to glabrous, from stout taproot.

Leaves - Alternate, petiolate. Petiole sparse arachnoid pubescent, with adaxial groove, to +40cm long, typically hollow. Basal leaves very large, to +60 cm long. Cauline leaves reduced upward,  truncate or cordate at base, ovate, with arachnoid pubescence below, puberulent above. Margins sinuous to undulate or commonly crisped.

Arctium minus leaf Basal leaf and size 10 hiking boot.

Inflorescence - Loose pedunculate cymes of 1-4 flowers in upper leaf axils and terminating stems. Peduncles tomentose.

Involucre - (In flower) - To 1.3cm long(tall), +1cm in diameter, urceolate. Phyllaries linear-attenuate, uncinate and reddish at apex, to 1.5cm long, mostly glabrous but strigillose on margins near base. Involucre becoming slightly enlarged and globose in fruit.

Arctium minus plant Involucre.

Ray flowers - Absent.

Disc flowers - Corolla tube to 1cm long, constricted and white below, rose-pink above, glabrous, 5-lobed. Lobes acute, 1.3mm long, glabrous. Stamens 5, adnate at apex of constricted portion of corolla tube. Filaments white, glabrous, 3.5mm long. Anthers purple, connate around atyle, exserted, 3mm long. Style bifurcate, white, pubescent at base of stigmas. Achenes to 2.5mm long in flower(6mm in fruit), whitish, angled, glabrous(slightly rugose in fruit). Pappus of short barbellate bristles to -2mm long, white. Receptacle flat, with dense chaff. Chaff filiform, white, to 1cm long.

Flowering - July - September.

Habitat - Pastures, roadside ditches, low woods, streambanks.

Origin - Native to Europe.

Other info. - This is an unmistakable species in Missouri. The dense uncinate phyllaries of the involucre are an excellent characteristic for identification. The large basal leaves are usually withered by anthesis.
Don't get to close to the plant as the fruiting heads grab onto nearly everything.

Photographs taken at Geneva State Park, Geneva, Ohio, 8-4-00, and at Whirlpool State Park, Niagra Falls, NY., 8-6-00.


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

http://plants.usda.gov/java/profile?symbol=ARMI2 ---> https://plants.usda.gov/java/profile?symbol=ARMI2
&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=ARMI2

Following modified from CalPhotos
   Top | See original


CalPhotos     Photo Database

 

Number of matches : 52
Query: SELECT * FROM img WHERE ready=1 and taxon like "Arctium minus%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Arctium minus
Arctium minus
Smaller Burdock
ID: 0024 3291 1998 0073 [detail]
Charles Webber
© 2000 California Academy of Sciences

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 0308 0549 [detail]
© 2008 Dr. Amadej Trnkoczy

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 0308 0548 [detail]
© 2008 Dr. Amadej Trnkoczy

Arctium minus
Arctium minus
ID: 0000 0000 0506 1189 [detail]
© 2006 Louis-M. Landry

Arctium minus
Arctium minus
ID: 0000 0000 0506 1190 [detail]
© 2006 Louis-M. Landry

Arctium minus
Arctium minus
ID: 0000 0000 0506 1191 [detail]
© 2006 Louis-M. Landry

Arctium minus
Arctium minus
ID: 0000 0000 0506 1192 [detail]
© 2006 Louis-M. Landry

Arctium minus
Arctium minus
ID: 0000 0000 0506 1193 [detail]
© 2006 Louis-M. Landry

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 0806 0867 [detail]
© 2006 Dr. Amadej Trnkoczy

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 0806 0868 [detail]
© 2006 Dr. Amadej Trnkoczy

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 0806 0869 [detail]
© 2006 Dr. Amadej Trnkoczy

Arctium minus
Arctium minus
ID: 0000 0000 0107 0320 [detail]
© 2007 Louis-M. Landry

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 0308 0545 [detail]
© 2008 Dr. Amadej Trnkoczy

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 0308 0544 [detail]
© 2008 Dr. Amadej Trnkoczy

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 0308 0543 [detail]
© 2008 Dr. Amadej Trnkoczy

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 0308 0542 [detail]
© 2008 Dr. Amadej Trnkoczy

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 0308 0547 [detail]
© 2008 Dr. Amadej Trnkoczy

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 0308 0546 [detail]
© 2008 Dr. Amadej Trnkoczy

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 0710 1628 [detail]
© 2010 Jean Pawek

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 0710 1629 [detail]
© 2010 Jean Pawek

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 1010 1027 [detail]
© 2010 Barry Breckling

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 1010 1028 [detail]
© 2010 Barry Breckling

Arctium minus
Arctium minus
Lesser Burdock
ID: 0000 0000 1010 1029 [detail]
© 2010 Barry Breckling

Arctium minus
Arctium minus
Burdock
(shown with Chenopodium album )
ID: 0000 0000 0413 1559 [detail]
© 2013 Jean Pawek

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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Updated: 2017-09-25 19:22:30 gmt
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