Vernonia gigantea | giant ironweed

Search Results

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 (71)
  Vernonia gigantea (2437)
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:

Flower size is about 0.8 inches
Number of ray petals: 10 to 30
Leaf: Alternate
Plant Observed last week of June thru 1st week of November
Native

How Likely at this Location (61%)

Name Match (100%)

Plant Showiness (54%)

Native

Links to Plant Descriptions Illinois Wildflowers (4) Wikipedia Forest Service eFloras.org SEINet USDA PLANTS profile Lady Bird Johnson	Links to Plant Photos Southeastern Flora (28) Shirley Denton (13) Bioimages (9) Missouri Plants (6) Alabama Plants (6) Carolinas & Georgia (11) Wikimedia Commons (7) US Wildflowers (9) U of Michigan Herbarium (4) New Mexico Flora (2) Virginia Digital Atlas (2) Cal Photos (3) Walter Muma (1)	Where the plant has been found credits
Habitat where plant was found Forest Disturbed Riparian Grassland Wetland Meadow		Elevation (feet) vs. Time of Observation (Flowering) credits