Taxonomy: Fam. Rubiaceae// Genus: Crucianella// Species: Crucianella graeca Boiss.
Determined according to the botanical key provided by Ehrendorfer in Tutin et al. (1976).
Lifeform: Annual, therophyte according to the Raunkiaer system.
Distribution: Native to the Balkan peninsula according to the distribution information provided by The Euro+Med Plantbase (source: Marhold, 2011+) and the Plants of the World Online portal (Royal Botanic Gardens, Kew); Balkan endemic.
Habitat: Grasslands and clearings of oak forest, up to c. 800 m altitude.
Flowering period: Summer: JUN, JUL.
Crucianella graeca – habit. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – inflorescence. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – inflorescence. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – inflorescence with flowers. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – inflorescence with flowers. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – inflorescence with flowers. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – inflorescence with flowers. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – inflorescence with flowers. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – stem with leaves. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – stem with leaves. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – lower part of stem with lower cauline leaves. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – stem with upper cauline leaves. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – stem with leaves. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – stem with leaves. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – stem with leaves. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – stem with leaves. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – adaxial side of leaves. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – abaxial side of leaves. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – lower cauline leaves. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – stem. Osogovo, hilly region between the villages of Pantelej and Rajchani, 21.06.2023. Photo by Trajche Dimitrovski.Crucianella graeca – size of corolla. Scale in mm. Specimen from Osogovo, hilly region between the villages of Pantelej and Rajchani. Photo by Trajche Dimitrovski.Crucianella graeca – habit. Osogovo – near village of Shtalkovica, 09.07.2023. Photo by Trajche Dimitrovski.Crucianella graeca – habit. Osogovo – near village of Shtalkovica, 09.07.2023. Photo by Trajche Dimitrovski.Crucianella graeca – inflorescence. Osogovo – near village of Shtalkovica, 09.07.2023. Photo by Trajche Dimitrovski.Crucianella graeca – inflorescence. Osogovo – near village of Shtalkovica, 09.07.2023. Photo by Trajche Dimitrovski.Crucianella graeca – flowers and bracts. Osogovo – near village of Shtalkovica, 09.07.2023. Photo by Trajche Dimitrovski.Crucianella graeca – flowers and bracts. Osogovo – near village of Shtalkovica, 09.07.2023. Photo by Trajche Dimitrovski.Crucianella graeca – stem and leaves. Osogovo – near village of Shtalkovica, 09.07.2023. Photo by Trajche Dimitrovski.Crucianella graeca – stem and leaves. Osogovo – near village of Shtalkovica, 09.07.2023. Photo by Trajche Dimitrovski.