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Helianthus decapetalus
thinleaf sunflower Aster Family
Helianthus decapetalus Asteraceae
--more--
common name
  thinleaf sunflower
accepted scientific name
  Helianthus decapetalus L.
rules for finding collection records
  Helianthus decapetalus (1333)
  Helianthus tracheliifolius (16)
family name
  Asteraceae
Image Author: ©2004-2014 John Hilty, Illinois Wildflowers
Image License: Author's permission
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is 2 to 3.5 inches
Number of ray petals: 8 to 12
Leaf: Alternate, Opposite
Plant Observed 3rd week of June thru 3rd week of October
Native

How Likely at this Location (37%)
Name Match (100%)
Plant Showiness (90%)
Native
base map where plant found

Forest
Disturbed
Riparian
grid lines base