Identifying Wildflowers: Common St. John’s Wort (non-native)

Common Name: St. John’s Wort
Scientific Name: Hypericum perforatum
Family: Hypericaceae
Origins: Europe (non-native)
Flowering Time: June – September
Habitat: Fields, roadsides, and waste places.
Range: Found throughout most of North Amercia, except the far north, southern US and praires.
Use: Herbal remedies for depression, topical treatment for wounds, abrasions, burns and muscle pain

Sources:

Niering, William A., Nancy C. Olmstead, and John W. Thieret. National Audubon Society Field Guide to North American Wildflowers: Eastern Region. New York: Alfred A. Knopf, 2001. Print.

Reuter J, Huyke C, Scheuvens H, Ploch M, Neumann K, Jakob T, Schempp CM (2008). “Skin tolerance of a new bath oil containing St. John’s wort extract”. Skin Pharmacol Physiol. 21 (6): 306–311.

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