Literature used for determination: Ball in Tutin et al. (1964), Thomas (1983) and Micevski (1993).
Note: presumably a somewhat confused species with Petrorhagia glumacea (Bory & Chaub.) P. W. Ball & Heywood and Petrorhagia prolifera (L.) P. W. Ball & Heywood. The three species can be distinguished based on the floral and seed characteristics (Thomas, 1983). Examined populations of Petrorhagia obcordata from Osogovo generally have colliculate seeds c 1.5 -1.8 mm long, largest bracts up to 15 mm long x 13 mm wide and obcordate, more or less dentate petal limb with distinct purple venation.
Distribution: Native to the Balkan peninsula according to the distribution information provided by The Euro+Med Plantbase Marhold (2011+) and the Plants of the World Online portal (Royal Botanic Gardens Kew).
Habitat: Grasslands/ pastures and clearings of oak forests at lower altitudes. Found in two locations at c. 600 m altitude – hilly area between the village of Rajchani and the “Svilanovo” region and “Shtalkovichka” River between the villages of Tursko Rudari and Shtalkovica.
Lifeform: Annual; therophyte according to the Raunkiær system.
Flowering period: Summer: JUN, JUL, AUG.
Locality: hilly area between the village of Rajchani and the “Svilanovo” region.
Petrorhagia obcordata – habit. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – habit. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – habit. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – habit. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – flowers. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – flower. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – flower. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – flower. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – flower. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – flower. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – flower. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – flower.s Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – flower. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – bracts. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – bracts. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – bracts. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – bracts. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – upper part of stem. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – bracts. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – bracts. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – stem with leaves. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – stem with leaves. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – stem with leaves. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – adaxial side of leaf. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – adaxial side of leaf. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – adaxial side of leaf. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – abaxial side of leaf. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – abaxial side of leaf. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – stem and leaf sheath. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – abaxial side of leaf. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – stem and leaf sheath. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – stem and leaf sheath. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – stem and leaf sheath. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – plant bae and root. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 02.07.2023. Photo by Trajche Dimitrovski..Petrorhagia obcordata – immature seeds, 02.07.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – overall plant senescence. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 07.10.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – fruiting inflorescence. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 07.10.2023. Photo by Trajche Dimitrovski.Petrorhagia obcordata – fruiting inflorescence. Osogovo, hilly area between the village of Rajchani and the “Svilanovo” region, 07.10.2023. Photo by Trajche Dimitrovski.
Scaled images (specimens from the hilly area between the village of Rajchani and the “Svilanovo” region).
Petrorhagia obcordata –. herbarized specimen. Scale in cm. Photo by Trajche Dimitrovski.Petrorhagia obcordata –. herbarized specimen. Scale in cm. Photo by Trajche Dimitrovski.Petrorhagia obcordata –. habit. Scale in cm. Photo by Trajche Dimitrovski.Petrorhagia obcordata –. upper part of stem. Scale in cm. Photo by Trajche Dimitrovski.Petrorhagia obcordata –. upper part of stem. Scale in cm. Photo by Trajche Dimitrovski.Petrorhagia obcordata – inflorescences. Scale in mm. Photo by Trajche Dimitrovski.Petrorhagia obcordata – flowers (leaf and center) and bract (right). Scale in mm. Photo by Trajche Dimitrovski.Petrorhagia obcordata – petals. Scale in mm. Photo by Trajche Dimitrovski.Petrorhagia obcordata – left: petals; center: petal and anther; right: lamina of petals. Scale in mm. Photo by Trajche Dimitrovski.Petrorhagia obcordata – bracts. Scale in mm. Photo by Trajche Dimitrovski.Petrorhagia obcordata – bracts. Scale in mm. Photo by Trajche Dimitrovski.Petrorhagia obcordata –. stem and leaves. Scale in cm/ mm. Photo by Trajche Dimitrovski.Petrorhagia obcordata – size of fruiting inflorescence. Scale in mm/ cm. Photo by Trajche Dimitrovski.Petrorhagia obcordata – larger bracts. Scale in mm. Photo by Trajche Dimitrovski.Petrorhagia obcordata – capsule. Scale in mm. Photo by Trajche Dimitrovski.Petrorhagia obcordata – A: Seeds. Scale in mm. B: Dorsal surface of seed under magnification. Photo by Trajche Dimitrovski.
Ball, P. W. 1964. Petrorhagia (Ser. ex DC.) Link. In Tutin, T. G., Heywood, V. H., Burges, N. A., Moore, D. M., Valentine, D. H., Walters, S. M. & Webb, D. A. (1964), Flora Europaea. Volume 1. Lycopodiaceae to Platanaceae. Cambridge: Cambridge University Press, p. 186–188.
Micevski, K. 1993. Petrorhagia (Ser.) Link., The Flora of the Republic of Macedonia. Vol. 1, Book 2. Skopje: Macedonian Academy of Sciences and Arts, pp. 353–360.
Thomas, S.M. (1983). A taxonomic clarification of Petrorhagia section Kohlrauschia (Caryophyllaceae). Botanical Journal of the Linnean Society 87: 55-75.
