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Helianthus annuus
sunflower Aster Family
Helianthus annuus Asteraceae
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common name
  sunflower
accepted scientific name
  Helianthus annuus L.
rules for finding collection records
  Helianthus annuus (4655)
family name
  Asteraceae
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

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

Disturbed
Riparian
Grassland
Desert
Forest
Native Plant Status
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native Native
native Not Present

native Not Native
Invasive in some regions. Planted as ornamental and a crop.
grid lines base