Determined according to the botanical key provided by Dingwall (1976 in Tutin et al.).
Lifeform: Perennial plant. Hemicryptophyte according to the Raunkiær system.
Distribution: Native to the Balkan Peninsula and Crimean Peninsula according to the distribution information provided by The Euro+Med PlantBase (Greuter, 2006+); Balkan Peninsula, Crimean Peninsula and Ukraine according to the Plants of the World Online portal (Royal Botanic Gardens, Kew).
Habitat: Wet habitats- banks of rivers. Recorded along Shtalkovichka River.
Flowering period: Spring (APR, MAY).
Locality: Shtalkovichka River. Date: 23.03.2023.
Petasites hybridussubsp.ochroleucus – habit. “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – flowering stem with synflorescence. “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – flowering stem with synflorescence. “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – flowering stem with synflorescence. “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – flowering stem with capitula. “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – capitula (female). “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – capitula (female). “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – involucre of capitula. “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – scape with scale leaves and basal leaves. “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – scapes with scale leaves. “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski..Petasites hybridussubsp.ochroleucus – basal leaves. “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski..Petasites hybridussubsp.ochroleucus – leaves. “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – basal leaf. “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – adaxial side of leaf. “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – abaxial side of leaf. “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – leaf petiole. “Shtalkovichka” River near village of Shtalkovica, 23.03.2023. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – habit. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – habit. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.
Locality: Shtalkovichka River. Date: 25.04.2022.
Petasites hybridussubsp.ochroleucus – inflorescence (female). “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – inflorescence (female). “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – capitula with pistilate florets. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – capitula with pistilate florets. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – capitula with pistilate florets. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – invlolucre of capitula. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – involucre. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – spent inflorescence (female). “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – spent capitula. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – spent capitula. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – female capitulum with developing achenes. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – female capitulum with developing achenes. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – scale leaf of scape. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – leaves. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – leaf. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – leaf. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – abaxial side of leaf with tomentose indumentum. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – leaf sinus. The sinus is bordered by at least two lateral veins. The basal loves are convergent. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – leaf petiole. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.Petasites hybridussubsp.ochroleucus – cross section of leaf petiole. “Shtalkovichka” River near village of Shtalkovica, 25.04.2022. Photo by Trajche Dimitrovski.
References:
Dingwall, I. 1976. Petasites Miller (incl. Nardosmia Cass.). In Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A. (eds.), Flora Europaea. Volume 4. Plantaginaceae to Compositae (and Rubiaceae). Cambridge: Cambridge University Press, pp. 186–188.
Petasites hybridussubsp.ochroleucus. Greuter, W. (2006+): Compositae (pro parte majore). – In: Greuter, W. & Raab-Straube, E. von (ed.): Compositae. Euro+Med Plantbase – the information resource for Euro-Mediterranean plant diversity. Published on the Internet http://ww2.bgbm.org/EuroPlusMed/PTaxonDetail.asp?NameId=7000587&PTRefFk=7000000 [Accessed 26.04.2022].
