Hypericum, (Spach) Endl.

Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A., 1981, Flora Europaea. Volume 2. Rosaceae to Umbelliferae, Cambridge University Press : 265

Sect. Campylopus (Spach) Endl. Perennial herbs, sometimes woody at the base, with pubescent stems, leaves and sepals. Stems 2-lined. Leaves with a few intramarginal or superficial black glands, or with none. Flowers solitary or in small corymbose cymes. Petals and stamens persistent. Stamen-fascicles 3-5, sometimes united at the base. Styles 3(-5). Capsule with faint, longitudinal vittae. Seeds reticulate-pitted.