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Vernonia gigantea (Walter) Trel.
GIANT IRONWEED
Vernonia altissima

Life   Plantae   Dicotyledoneae   Asteraceae   Vernonia

Vernonia gigantea
© Copyright Bobby Hattaway 2011 · 5
Vernonia gigantea

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Vernonia gigantea
© Copyright Bobby Hattaway 2011 · 5
Vernonia gigantea
Vernonia gigantea
© Copyright Bobby Hattaway 2011 · 5
Vernonia gigantea

Vernonia gigantea
© Copyright Bobby Hattaway 2011 · 5
Vernonia gigantea
Vernonia gigantea
© Copyright Bobby Hattaway 2011 · 5
Vernonia gigantea

Vernonia gigantea
© Copyright Bobby Hattaway 2011 · 5
Vernonia gigantea
Vernonia gigantea
© Copyright Bobby Hattaway 2011 · 5
Vernonia gigantea

Vernonia gigantea
© Copyright Bobby Hattaway 2011 · 5
Vernonia gigantea
Vernonia gigantea
© Copyright Bobby Hattaway 2011 · 5
Vernonia gigantea

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

Vernonia gigantea, inflorescence - frontal view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Vernonia gigantea, inflorescence - frontal view of flower
Vernonia gigantea, inflorescence - ventral view of flower + perianth
© Copyright Steve Baskauf, 2002-2011 · 4
Vernonia gigantea, inflorescence - ventral view of flower + perianth

Vernonia gigantea, leaf - on upper stem
© Copyright Steve Baskauf, 2002-2011 · 4
Vernonia gigantea, leaf - on upper stem
Vernonia gigantea, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Vernonia gigantea, stem - showing leaf bases

Associates · map
FamilyScientific name @ source (records)
Apidae  Xylocopa virginica @ BBSL (1)
Coleosporiaceae  Coleosporium carneum @ BPI (7)

Coleosporium vernoniae @ BPI (12)
Flatidae  Flatormenis chloris @ UDCC_TCN (1)
Megachilidae  Megachile mendica @ BBSL (1)
Miridae  Lygus lineolaris @ MEMU_ENT (4)
Pucciniaceae  Puccinia longipes @ BPI (1)

Puccinia vernoniae @ BPI (3)

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Following modified from MissouriPlants.com
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Vernonia altissima Nutt. - Tall Ironweed

Vernonia altissima plant

Family - Asteraceae

Stems - No info yet.

Vernonia altissima stem

Leaves - No info yet.

Vernonia altissima leaves Lower leaves.

Vernonia altissima leaves Upper leaves.

Inflorescence - No info yet.

Involucre - No info yet.

Vernonia altissima involucre

Ray flowers - Absent.

Disk flowers - No info yet.

Vernonia altissima flowers

Flowering - August - October.

Habitat - Low woods, alluvial ground, low thickets, swamp margins, spring branches, meadows, prairies.

Origin - Native to U.S.

Other info. - This species can be found scattered throughout much of Missouri but is mostly absent in the northeast and southwest corners of the state. It is most common in the southeast corner of Missouri. The plant has flowerheads with up to 30 florets but the usual number is about 15. The involucre of this species has appressed phyllaries which have ciliate margins.
A more current synonym for this species is Vernonia gigantea (Walt.) Trel. ssp. gigantea

Photographs taken off Lee Rd 54, Auburn, AL., 10-7-04.


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

Following modified from CalPhotos
   Top | See original

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

Updated: 2017-12-11 23:29:54 gmt
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