Hypericum, Jaub. & Spach

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 : 264

Sect. Taeniocarpium Jaub. & Spach . Perennial herbs, sometimes woody at the base. Black glands confined to sepal- and petal-margins and sometimes leaf-apex. Stems terete or 2-lined, or very rarely 4-angled. Flowers in cymes or panicles. Petals and stamens persistent. Petals not clawed; pellucid glands elongated (rarely absent). Stamen-fascicles and styles 3. Capsule with longitudinal vittae. Seeds rugulose to papillose.