E-Flora BC Photo Gallery

Hypericum perforatum  (common St. John's-wort)

Photo of Hypericum perforatum by Bryan Kelly-McArthur
© Bryan Kelly-McArthur (Photo ID #73097)

Photographer's Submitted Details

Photo Location Donald BC Photographer Bryan Kelly-McArthur
Habitat disturbed wasteland  
Photo Date July 01, 2016 Upload Date January 08, 2017
Elevation (m) 798  
UTM Zone # 11 Latitude
UTM Easting 487469 Longitude
UTM Northing 5703765 Photo ID # 73097
Notes a new invasive weed to this part of the Columbia Valley. The specific name refers to the translucent glands on the leaves which appear to perforate the leaves. The black glands on the leaves and flowers contain the photodynamic pigment hypericin which can cause photosentsitization issues when ingested by animals

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