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giant ironweed
Vernonia gigantea
giant ironweed Aster Family
Vernonia gigantea Asteraceae
--more--
common names
  giant ironweed
  tall ironweed
accepted scientific name
  Vernonia gigantea (Walter) Trel.
rules for finding collection records
  Vernonia altissima (282)
  Vernonia gigantea (3191)
family name
  Asteraceae
Image Author: ©2013 Mary Keim
Image License: CC BY-NC-SA
Image Source
Category: Wildflowers
Flowers: No obvious petals, Many petals
Petal colors: color color
Flower size is 0.8 to 1.5 inches
Number of ray petals: 15 to 25
Leaf: Alternate
Plant Observed beginning of June thru 1st week of November

How Likely at this Location (60%)
Name Match (100%)
Plant Showiness (63%)
base map where plant found
mag select

Forest
Disturbed
Riparian
Grassland
Wetland
Native Plant Status
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native Native
native Not Present

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