Arum cylindraceum Gasp.

Posted byTrajche DimitrovskiPosted inPlant families

Taxonomy: Fam. Araceae// Genus: Arum// Species: Arum cylindraceum Gasp.

Lifeform: Perennial plant. Hemicryptophyte according to the Raunkiær system.

Determined as Arum orientale subsp. lucanum (Cavara & Grande) Prime, Bot. Jour. Linn. Soc. 76: 384. (1978) according to the botanical keys provided by Prime (1980 in Tutin et al.) and Arum alpinum Schott & Kotschy, Bot. Zeitung (Berlin) 9: 285. (1851) according to Bedalov and Drenkovski (1997). According to the Euro+Med PlantBase (Raab-Straube, 2021+), both are considered synonyms of Arum cylindraceum Gasp. in Gussone, Fl. Sicul. Syn. 2: 597. 1844.

Distribution: Native from Europe to Türkiye and Cyprus according to the distribution information provided by the Plants of the World Online portal (Royal Botanic Gardens, Kew) and The Euro+Med PlantBase (source: Raab-Straube, 2021+).

Habitat: Forests and woods.

Flowering period:  Spring (MAY).

Locality: village of Pantelej region. Date: 03.05.2024.

Arum cylindraceum – habit. Osogovo – village of Pantelej region, 03.05.2024. Photo by Trajche Dimitrovski.
Arum cylindraceum – inflorescence. Osogovo – village of Pantelej region, 03.05.2024. Photo by Trajche Dimitrovski.
Arum cylindraceum – limb of spathe and appendix of spadix. Osogovo – village of Pantelej region, 03.05.2024. Photo by Trajche Dimitrovski.
Arum cylindraceum – tubular part of spathe. Osogovo – village of Pantelej region, 03.05.2024. Photo by Trajche Dimitrovski.
Arum cylindraceum – spadix and elements of spadix. A: spadix. B: appendix. C: upper sterile flowers (usf), male flowers (mf) and lower sterile flowers (lsf). D: female flowers. Osogovo – village of Pantelej region, 03.05.2024. Photo by Trajche Dimitrovski.
Arum cylindraceum – leaves. Osogovo – village of Pantelej region, 03.05.2024. Photo by Trajche Dimitrovski.
Arum cylindraceum – leaf. Osogovo – village of Pantelej region, 03.05.2024. Photo by Trajche Dimitrovski.
Arum cylindraceum – abaxial side of leaf. Osogovo – village of Pantelej region, 03.05.2024. Photo by Trajche Dimitrovski.
Arum cylindraceum – abaxial side of leaf. Osogovo – village of Pantelej region, 03.05.2024. Photo by Trajche Dimitrovski.
Arum cylindraceum – leaf petioles and discoid tuber. Osogovo – village of Pantelej region, 03.05.2024. Photo by Trajche Dimitrovski.

Locality: Shtalkovichka River near village of Shtalkovica. Date: 17.04.2023.

Arum cylindraceum – habit. Osogovo – “Shtalkovihka” River, 17.04.2023. Photo by Trajche Dimitrovski.
Arum cylindraceum – habit. Osogovo – “Shtalkovihka” River, 17.04.2023. Photo by Trajche Dimitrovski.
Arum cylindraceum – habit. Osogovo – “Shtalkovihka” River, 17.04.2023. Photo by Trajche Dimitrovski.
Arum cylindraceum – habit. The pedicel is slightly shorter to slightly longer than the petiole. Osogovo – “Shtalkovihka” River, 07.05.2023. Photo by Trajche Dimitrovski.
Arum cylindraceum – habit. The pedicel is slightly shorter to slightly longer than the petiole. Osogovo – “Shtalkovihka” River, 07.05.2023. Photo by Trajche Dimitrovski.
Arum cylindraceum – leaf lamina. Osogovo – “Shtalkovihka” River, 07.05.2023. Photo by Trajche Dimitrovski.
Arum cylindraceum – leaf lamina. Osogovo – “Shtalkovihka” River, 07.05.2023. Photo by Trajche Dimitrovski.
Arum cylindraceum – rootstock with tuber. Osogovo – “Shtalkovihka” River, 07.05.2023. Photo by Trajche Dimitrovski.
Arum cylindraceum – A: inflorescence. B: apendix of spadix. The spadix is c. 3 mm -4 mm wide at top, without distinct stalk at base. C: upper sterile flowers (usf) and appendix (a). The upper sterile flowers are arranged in 6 to 8 rows. D: male flowers (mf), female flowers (ff) and lower sterile flowers (lsf) in between. Specimen from Osogovo – “Shtalkovihka” River. Photo by Trajche Dimitrovski.

References:

Arum cylindraceum Gasp. Plants of the World Online portal, Royal Botanic Gardens, Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:85982-1 [Accessed 16.05.2023].

Arum cylindraceum. Raab-Straube, E. von (2021+): Araceae (excl. Lemnoideae). – In: Euro+Med PlantBase – the information resource for Euro-Mediterranean plant diversity. Published on the Internet https://europlusmed.org/cdm_dataportal/taxon/7449467b-37c6-419a-bf39-d00066bd07cc [Accessed 16.05.2023].

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.

Last update: 20.05.2024.