Taxonomy: Fam. Araceae// Genus: Arum// Species: Arum orientale M. Bieb.
Determined according to the botanical keys provided by Prime (1980 in Tutin et al.) and Bedalov and Drenkovski (1997).
Distribution: Native from East Central Europe to Caucasus and Syria according to the distribution information provided by the Plants of the World Online portal (Royal Botanic Gardens, Kew); also native to Central Europe to Sweden according to The Euro+Med PlantBase (source: Raab-Straube, 2021+).
Habitat: Edges of oak forests and woods.
Lifeform: Perennial plant. Hemicryptophyte according to the Raunkiær system.
Flowering period: Spring: MAY.
Locality: village of Beli. Date: 01.05.2023.
Arum orientale– habit in habitat. Osogovo, hilly region near village of Beli, 01.05.2023. Photo by Trajche Dimitrovski.Arum orientale– habit. Osogovo, hilly region near village of Beli, 01.05.2023. Photo by Trajche Dimitrovski.Arum orientale– the peduncle is less than half as long as the petiole. Osogovo, hilly region near village of Beli, 01.05.2023. Photo by Trajche Dimitrovski.Arum orientale– inflorescence. Osogovo, hilly region near village of Beli, 01.05.2023. Photo by Trajche Dimitrovski.Arum orientale– appendix and spathe. Osogovo, hilly region near village of Beli, 01.05.2023. Photo by Trajche Dimitrovski.Arum orientale– stalk of appendix. Osogovo, hilly region near village of Beli, 01.05.2023. Photo by Trajche Dimitrovski.Arum orientale– spadix with female flowers at base, male flowers and sterile flowers between male and female flowers and above the male flowers. Osogovo, hilly region near village of Beli, 01.05.2023. Photo by Trajche Dimitrovski.
Locality: village of Beli. Date: 02.04.2023.
Arum orientale– habit. Osogovo, hilly region near village of Beli, 02.04.2023. Photo by Trajche Dimitrovski.Arum orientale– habit. Osogovo, hilly region near village of Beli, 02.04.2023. Photo by Trajche Dimitrovski.Arum orientale– leaves. Osogovo, hilly region near village of Beli, 02.04.2023. Photo by Trajche Dimitrovski.Arum orientale– leaves. Osogovo, hilly region near village of Beli, 02.04.2023. Photo by Trajche Dimitrovski.Arum orientale– plant base and leaf petioles. Osogovo, hilly region near village of Beli, 02.04.2023. Photo by Trajche Dimitrovski.Arum orientale– tuber. Osogovo, hilly region near village of Beli, 02.04.2023. Photo by Trajche Dimitrovski.Arum orientale– tuber. Osogovo, hilly region near village of Beli, 02.04.2023. Photo by Trajche Dimitrovski.Arum orientale– tuber. Osogovo, hilly region near village of Beli, 02.04.2023. Photo by Trajche Dimitrovski.
Locality: village of Beli. Date: 13.08.2022.
Arum orientale– plant in fruiting stage. Osogovo, hilly region near village of Beli, 13.08.2022. Photo by Trajche Dimitrovski.Arum orientale– fruits. Osogovo, hilly region near village of Beli, 13.08.2022. Photo by Trajche Dimitrovski.Arum orientale– plant in fruiting stage. Osogovo, hilly region near village of Beli, 13.08.2022. Photo by Trajche Dimitrovski.Arum orientale– pedubcle and dried spathe. Osogovo, hilly region near village of Beli, 13.08.2022. Photo by Trajche Dimitrovski.
Locality: village of Beli. Date: 26.03.2022.
Arum orientale– habit. Osogovo, hilly region near village of Beli, 26.03.2022. Photo by Trajche Dimitrovski.Arum orientale– habit. Osogovo, hilly region near village of Beli, 26.03.2022. Photo by Trajche Dimitrovski.
Bedalov, M. and Drenkovski, R. (1997). The genus Arum (Araceae) in the F.Y.R. Makedonija. Bocconea 5, pp 781-785. – ISSN 1120-4060. https://www.herbmedit.org/bocconea/5-781.pdf [Accessed 01.05.2023].
Prime, C. T. 1980. Arum L. 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 5: Alismataceae to Orchidaceae (Monocotyledones). Cambridge: Cambridge University Press, pp. 269–271.
