Hypericum, (Boiss.) Stefanov

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 : 268

Sect. Oligostema (Boiss.) Stefanov . Glabrous perennial (rarely annual) herbs. Black glands present on leaves, sepals and petals, and sometimes on stem and anthers. Stems terete or 2-lined. Leaves with intramarginal and sometimes a few superficial black glands. Flowers in corymbose or pyramidal cymes or panicles, or rarely solitary. Petals and stamens persistent. Stamen-fascicles 3. Styles (2-)3. Capsule with longitudinal vittae. Seeds reticulate-pitted.