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Helianthus silphioides
rosinweed sunflower Aster Family
Helianthus silphioides Asteraceae
common names
  rosinweed sunflower
  Ozark sunflower
accepted scientific name
  Helianthus silphioides Nutt.
rules for finding collection records
  Helianthus silphioides (158)
family name
Image Author: Ron Thomas
Image License: CC BY-NC-SA
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is 1.3 to 1.7 inches
Number of ray petals: 8 to 13
Leaf: Opposite, Basal, Simple
Plant Observed last week of July thru 1st week of November
Native to the central US

How Likely at this Location (13%)
Name Match (100%)
Plant Showiness (63%)
Links to Plant Photos
Bioimages (18)
Wildflower Lense (15)
Missouri Plants (7)
base map where plant found
mag select

grid lines base