Rumex obtusifolius subsp. transiens (Simonk.) Rech. f.

Posted byTrajche DimitrovskiPosted inUncategorized

Taxonomy: Fam. Polygonaceae// Genus: Rumex// Species: Rumex obtusifolius L.// Subspecies: Rumex obtusifolius subsp. transiens (Simonk.) Rech. f.

Determined according to the botanical keys provided by Rechinger in Tutin et al. (1964) and Micevski (1995).

Lifeform: Perennial; hemicryptophyte according to the Raunkiær system.

Distribution: Native from Central Europe to Balkan Peninsula and Caucasus according to the distribution information provided by the Plants of the World Online portal (Royal Botanic Gardens, Kew). Also native to Moldova and Italy according to The Euro+Med PlantBase (Uotila, 2017+).

Habitat: Wet habitats – found along “Kochanska” River.

Flowering period: Late spring – summer: MAY, JUN.

Rumex obtusifolius subsp. transiens – habit. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – habit in vegetative stage. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – inflorescence. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – inflorescence. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – flowers. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – flowers. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – flowers. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – flowers. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – fruits. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – fruits. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – fruits. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – fruits. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – fruits. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – fruits. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – upper leaves. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – middle cauline leaf. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – middle leaf. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – lower cauline leaf. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – lower cauline leaf. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – adaxial side of cauline leaf. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – abaxial side of cauline leaf. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – stem. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – stem. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – stem. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – basal leaves. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – basal leaves. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – basal leaf. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – basal leaves. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – basal leaf. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – basal leaf. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – adaxial side of leaf. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – abaxial side of leaf. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – petiole. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – petiole. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.

Scaled images.

Rumex obtusifolius subsp. transiens – A and B: upper part of plant with leaves in the inflorescence region; C:middle cauline leaves. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – A and B: lower cauline leaves; C, D and E: basal leaves; F – transverse section of petiole. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – fruiting valves. Osogovo – “Kochanska” River, 16.06.2024. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – valves. Taxonomic characteristics of subsp. transiens: the valves have distinct, often long teeth; all valves with tubercles, which are often unequal. Photo by Trajche Dimitrovski.
Rumex obtusifolius subsp. transiens – A: fruiting valves; B: valve with teeth and tubercle; C: nuts. Photo by Trajche Dimitrovski.

References:

Rumex L. Micevski, K. (1995). The Flora of the Republic of Macedonia Vol. 1, Book 3. Macedonian Academy of Sciences and Arts, pp. 452 – 472.

Rumex L. Rechinger, K.H. 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, pp. 82 – 89.

Rumex obtusifolius subsp. transiens (Simonk.) Rech.f. Plants of the World Online portal, Royal Botanic Gardens, Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77251105-1 [Accessed 19.06.2024].

Rumex obtusifolius subsp. transiens. Uotila, P. (2017+): Polygonaceae. – In: Euro+Med Plantbase – the information resource for Euro-Mediterranean plant diversity. Published at https://europlusmed.org/cdm_dataportal/taxon/52f9f503-6b19-46cc-adab-6f9d184de895 [Accessed 19.06.2024].