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
15–80 cm tall. <span class="v1">flowers:</span> yellowish; <ba>petals <b><i>without</i> glands</b></ba>. <span class="v1">petals:</span> <ba><b>3–6 mm long</b></ba>, distinctly longer than the sepals. <span class="v1">sepals:</span> <ba><b>lin...
intensively used grassland, ruderal vegetation
in nutrient-poor, acidic, periodically wet habitats