favicon Wildflower Identification Website.        Search for wildflowers by location, color, shape and time.       Click here for Instructions.       Login
Search Results
Helianthus annuus
sunflower Aster Family
Helianthus annuus Asteraceae
common name
accepted scientific name
  Helianthus annuus L.
rules for finding collection records
  Helianthus annuus (4633)
family name
Image Author: ©2008 Matt Lavin
Image License: CC BY-SA
Image Source
Category: Wildflowers
Flowers: Many petals
Petal colors: color
Flower size is 1. to 3.1 inches
Number of ray petals: 15 to 30
Leaf: Alternate, Opposite
Plant Observed 2nd week of March thru 1st week of November
Native, Invasive in IA

How Likely at this Location (100%)
Name Match (100%)
Plant Showiness (81%)
base map where plant found
mag select

grid lines base