Group: Spermatophytina (Spermatophytes)
Family: Hypericaceae (St. John's Wort family)
Genus: Hypericum (St. John's Wort)
Hypericum perforatum L. - Perforate St John's-Wort
Hypericum maculatum Crantz - Imperforate St John's-Wort
Hypericum dubium Leers - Spotted St John's-Wort
Hypericum majus (A. Gray) Britton - Large St John's-Wort
Hypericum tetrapterum Fr. - Square-Stalked St John's-Wort
Hypericum humifusum L. - Trailing St John's-Wort
Hypericum pulchrum L. - Slender St John's-Wort
Hypericum elegans Willd. - Graceful St John's-Wort
Hypericum montanum L. - Pale St John's-Wort
Hypericum hirsutum L. - Hairy St John's-Wort
Hypericum elodes L. - Marsh St John's-Wort
10–30 cm tall. flowers: yellowish. petals: distinctly longer than the sepals. sepals:
Natural, established occurences | Artificial occurences |
riparian vegetation, mudflat vegetation, reedbeds, bogs, sedge-lands
in nutrient-poor, acidic, moist to wet, periodically flooded habitats