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Hypericum perforatum
common St. John's wort St. John's-wort Family
Hypericum perforatum Hypericaceae
common names
  common St. John's wort
  Tipton's weed
  Klamath weed
accepted scientific name
  Hypericum perforatum L.
rules for finding collection records
  Hypericum perforatum (4466)
family name
Image Author: ©2008 Keir Morse
Image License: CC BY-NC-SA
Image Source
Category: Wildflowers
Flowers: Five petals
Petal colors: color
Flower size is about 1 inch
Leaf: Opposite
Plant Observed 2nd week of May thru 3rd week of October
Not Native. Invasive in CA, CO, NV, SD, WA, WY. Noxious weed in MT, OR.

How Likely at this Location (100%)
Name Match (100%)
Plant Showiness (54%)
base map where plant found
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