Taxonomy: Fam. Euphorbiaceae// Genus: Euphorbia// Species: Euphorbia barrelieri Savi// Subspecies: Euphorbia barrelieri subsp. thessala (Formánek) Bornm.
Determined according to the botanical keys provided in The Flora of Republic of Macedonia (Micevski, 1998).
Distribution: Native from Italy to Balkan Peninsula according to The Euro+Med PlantBase (source: World Checklist of Selected Plant Families, 2010).
Habitat: Open and dry habitats- dry grassland, rocky terrains, bushland.
Lifeform: Perennial; hemicryptophyte according to the Raunkiaer system.
Flowering period: Spring- early summer: APR, MAY, JUN.
Euphorbia barrelieri subsp. thessala – habit. Gorge of “Kochanska” River, 25.04.2021. Photo by Trajche Dimitrovski.Euphorbia barrelieri subsp. thessala – habit. Gorge of “Kochanska” River, 20.06.2021. Photo by Trajche Dimitrovski. Euphorbia barrelieri subsp. thessala – habit. Gorge of “Kochanska” River, 20.06.2021. Photo by Trajche Dimitrovski.Euphorbia barrelieri subsp. thessala – flowering stems with inflorescence. Gorge of “Kochanska” River, 25.04.2021. Photo by Trajche Dimitrovski.Euphorbia barrelieri subsp. thessala – inflorescence with cyathia. Gorge of “Kochanska” River, 25.04.2021. Photo by Trajche Dimitrovski.Euphorbia barrelieri subsp. thessala – inflorescence (umbel). Gorge of “Kochanska” River, 20.06.2021. Photo by Trajche Dimitrovski.Euphorbia barrelieri subsp. thessala – cyathia. Gorge of “Kochanska” River, 20.06.2021. Photo by Trajche Dimitrovski.Euphorbia barrelieri subsp. thessala – cyathia. Gorge of “Kochanska” River, 20.06.2021. Photo by Trajche Dimitrovski.Euphorbia barrelieri subsp. thessala – cyathia. Gorge of “Kochanska” River, 20.06.2021. Photo by Trajche Dimitrovski.Euphorbia barrelieri subsp. thessala – cyathia. Gorge of “Kochanska” River, 20.06.2021. Photo by Trajche Dimitrovski.Euphorbia barrelieri subsp. thessala – rays of umbel. Gorge of “Kochanska” River, 20.06.2021. Photo by Trajche Dimitrovski.Euphorbia barrelieri subsp. thessala – stem with cauline leaves and rays of umbel with ray leaves. Gorge of “Kochanska” River, 20.06.2021. Photo by Trajche Dimitrovski. Euphorbia barrelieri subsp. thessala – flowering stem with cauline leaves. Gorge of “Kochanska” River, 20.06.2021. Photo by Trajche Dimitrovski.Euphorbia barrelieri subsp. thessala – lower part of stems with cauline leaves. Gorge of “Kochanska” River, 25.04.2021. Photo by Trajche Dimitrovski.Euphorbia barrelieri subsp. thessala – lower part of flowering stems cau. Gorge of “Kochanska” River, 25.04.2021. Photo by Trajche Dimitrovski.Euphorbia barrelieri subsp. thessala – vegetative stems. Gorge of “Kochanska” River, 20.06.2021. Photo by Trajche Dimitrovski.