Wildflowers Found in Oregon Common St. John's Wort (Klamathweed, Goatweed) Hypericum perforatum - Common, all summer, perennial, 1-4 ft. Stems erect from taproot. Shorter axillary stems without flowers 1-4 in. tall. Leaves opposite, 1/2-1 in., linear to oblong, with edges rolled under, with black dots especially on underside. Inflorescence consists of 25-75 flowers per stem. Flowers with 5 sepals, lance-shaped, sharply pointed with many black and green dots; petals 5, oblong, reflexed, yellow with many black dots, with many long stamens. Grows in disturbed places, roadsides, fields, pastures, below 5000 ft. Toxic to livestock. A noxious weed. Nonnative. On to Next Flower ⇨Hi-Res Pic (216K) Hi-Res Pic Flower (171K) |
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