Taxonomy: Fam. Clusiaceae// Genus: Hypericum// Species: Hypericum tetrapterum Fr. The classification is given according to the Euro+Med PlanBase (Marhold, 2011).
Determined according to the botanical key provided in The Flora of the Republic of Macedonia (Micevski, 1995).
Lifeform: Perennial; Hemicryptophyte according to the Raunkiær system.
Distribution: Native from Europe to Caucasus, Mediterranean to Iran according to the distribution information by the Plants of the World Online portal (Royal Botanic Gardens, Kew).
Habitat: Wet habitats- on the banks of rivers, streams and other wet places.
Flowering period: Summer (JUL, AUG).
Hypericum tetrapterum – habit. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 15.07.2021. Photo by Trajche Dimitrovski.Hypericum tetrapterum – habit. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 15.07.2021. Photo by Trajche Dimitrovski.Hypericum tetrapterum – inflorescence. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 15.07.2021. Photo by Trajche Dimitrovski.Hypericum tetrapterum – inflorescnece. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 15.07.2021. Photo by Trajche Dimitrovski.Hypericum tetrapterum – inflorescence. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 15.07.2021. Photo by Trajche Dimitrovski.Hypericum tetrapterum – flower and flower buds. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 15.07.2021. Photo by Trajche Dimitrovski.Hypericum tetrapterum – flowers. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 15.07.2021. Photo by Trajche Dimitrovski.Hypericum tetrapterum – fruiting inflorescence. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 15.07.2021. Photo by Trajche Dimitrovski.Hypericum tetrapterum – calyxes. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 15.07.2021. Photo by Trajche Dimitrovski.Hypericum tetrapterum – adaxial side of leaves. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 15.07.2021. Photo by Trajche Dimitrovski.Hypericum tetrapterum – stem with cauline leaves. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 15.07.2021. Photo by Trajche Dimitrovski.Hypericum tetrapterum – abaxial side of leaf. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 15.07.2021. Photo by Trajche Dimitrovski.Hypericum tetrapterum – abaxial side of leaf. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 15.07.2021. Photo by Trajche Dimitrovski.Hypericum tetrapterum – wings of stems. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 15.07.2021. Photo by Trajche Dimitrovski.Hypericum tetrapterum – wings of stems. Osogovo, “Shtalkovichka” River near village of Shtalkovica, 15.07.2021. Photo by Trajche Dimitrovski.
Osogovo nature 