Hypericum

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 : 266

Sect, drosocarpium Spach. Perennial herbs, usually glabrous and somewhat glaucous. Black glands present on leaves, sepals, petals, anthers, and sometimes ovary. Leaves usually with intramarginal and often superficial black glands. Flowers in subcorymbose or broadly pyramidal panicles, rarely solitary. Petals and stamens persistent. Stamen-fascicles 3(-5). Styles 3(-5). Capsule with interrupted lateral vittae or vesicles, sometimes with dorsal vittae. Seeds usually as in Sect. Elodes .