Hypericum perforatum
(Guttiferae) --
This plant has been the subject of a lot of press recently. It can be used as an anti-depressant,
but in large doses can also cause photodermatitis. The Rhodale guide lists it as "unsafe" - read Micheal
Castelman's chapter on it in "The Healing Herbs" (see references) for futher information. St.-John's-wort can also be used as a dye.
It blooms in summer. (Photographed in WI)
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