Common St. Johnswort (Hypericum perforatum L)

Clusiaceae (Mangosteen Family)

Synonym(s):Klamathweed, St. John’swort

Bloom Color: Yellow
Bloom Time: Jun , Jul , Aug , Sept
Notes: A single plant may produce up to 100,000 seeds per year. Seeds buried in soil may last for 10 years. Animals that eat St. Johnswort and then are exposed to direct sunshine develop severe sunburns that are seen as skin irritations in non-haired or white areas.

For more information about this plant, Click Here.

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