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Helianthus decapetalus
thinleaf sunflower Aster Family
Helianthus decapetalus Asteraceae
common name
  thinleaf sunflower
accepted scientific name
  Helianthus decapetalus L.
rules for finding collection records
  Helianthus decapetalus (1333)
  Helianthus tracheliifolius (16)
family name
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

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

grid lines base