Determined according to the botanical keys provided by Valentine (1964 in Tutin et al.) and and Jovanović-Dunjić (1972 in Josifović).
Rorippa prostrata is considered to be a variable taxon of hybrid origin with formula R. amphibia x R. sylvestris, tending towards either of the species. The population recorded in Osogovo (“Shtalkovichka” River) consisted of plants with variable leaf shape, but generally tending towards R. sylvestris, with auriculate, less deeply divided leaves.
Lifeform: Perennial; Hemicryptophyte according to the Raunkiær system.
Distribution: Native from the Europe to West Siberia and Caucasus according to the distribution information provided by the Plants of the World Online portal (Royal Botanic Gardens, Kew) – accepted as Rorippa × anceps (Wahlenb.) Rchb.
Habitat: Recorded along “Shtalkovicka'” River, between the villages of Tursko rudari and Shtalkovica, at c. 600 m altitude.
Flowering period: Spring – early summer: MAY, JUN.
Rorippa prostrata– habit. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata– habit. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata– habit. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata– habit. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata– flowering stems with inflorescence and upper cauline leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – flowering stems with inflorescence and upper cauline leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – flowering stems with inflorescence and upper cauline leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – flowering stems with inflorescence and upper cauline leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – flowering stems with inflorescence and upper cauline leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – flowering stems with inflorescence and upper cauline leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – flowers. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – flowers. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – flowers. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – flowers. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – side view of flower and calyx. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – side view of flower and calyx. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – developing siliquas. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – developing siliquas. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – developing siliquas. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – flower buds with inflorescence and upper cauline leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – upper leaf. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – upper cauline leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – upper leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – upper leaf. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata– upper leaf. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – leaf. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – stems with leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – stems with leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – stems with leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – stems with leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – leaf. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – leaf. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – lower leaf. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – lower leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – lower leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – lower leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata– withered basal leaves. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – adaxial side of leaf. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – adaxial side of leaf. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 11.05.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – habit during fruiting. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 31.07.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – fruits – siliquas. The siliqua is equal or shorter than the pedicel, with a style c. 1/3 as long as the fruit. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 31.07.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – fruits – siliquas. The siliqua is equal or shorter than the pedicel, with a style c. 1/3 as long as the fruit. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 31.07.2024. Photo by Trajche Dimitrovski.Rorippa prostrata – fruits – siliquas. The siliqua is equal or shorter than the pedicel, with a style c. 1/3 as long as the fruit. Osogovo – “Shtalkovichka” River between the villages of Shtalkovica and Tursko rudari, 31.07.2024. Photo by Trajche Dimitrovski.
References:
Jovanović-Dunjić, R. 1972. Rod Rorippa Scop. In Josifović, M. (ed.), Flora SR Srbije, III. Beograd: Srpska Akademija Nauka i Umetnosti, pp. 228–242.
Valentine, D.H. 1964. Rorippa Scop. 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 1. Lycopodiaceae to Platanaceae. Cambridge: Cambridge University Press, pp. 283–284.
