Polygonum arenarium subsp. pulchellum (Loisel.) Thell. (syn. Polygonum pulchellum Loisel.)

Taxonomy: Fam. Polygonaceae// Genus: Polygonum// Species: Polygonum arenarium Waldst. & Kit.// Subspecies: Polygonum arenarium subsp. pulchellum (Loisel.) Thell.

Determined according to the botanical key provided by Micevski (1995) as Polygonum pulchellum Loisel., Mem. Soc. Linn. Paris 6: 411 (1827). In The Euro+Med PlantBase (source: Uotila, 2017+) this taxon is accepted as the subspecies rank- Polygonum arenarium subsp. pulchellum (Loisel.) Thell.,Fl. Adv. Montpellier: 186. 1912.

Lifeform: Annual; Therophyte according to the Raunkiær system.

Distribution: Native from the Mediterranean to Ukraine, Caucasus and Iran according to the Plants of the World Online portal (Royal Botanic Gardens, Kew).

Habitat:  Dry and open habitats – grasslands, pastures, rocky terrains.

Flowering period:  Late summer – fall: AUG, SEP, OCT.

Polygonum arenarium subsp. pulchellum – habit. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – habit. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – habit. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – habit. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – habit. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – flowering stems. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – flowering stem. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – flowering stem. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – flowering stem. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – flowers. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – flowers. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – flowers. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – flowers. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – flowers. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – flowers. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – flowers. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – stem with flowers and leaves. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – stem with flowers and leaf. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – stem with flowers and leaf. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – stem with leaves and ochreae. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – stem with leaves and ochreae. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – adaxial side of leaf. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – abaxial side of leaf. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – ochreae. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – ochreae. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – ochreae. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – lower part of plant. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – lower part of plant. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – fruits. Gorge of “Kochanska” River, 24.09.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – fruit. Gorge of “Kochanska” River, 22.10.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – fruits. Gorge of “Kochanska” River, 22.10.2022. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – habit. Gorge of “Kochanska” River, 24.10.2020. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – flowering stems. Gorge of “Kochanska” River, 24.10.2020. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – flowering stems. Gorge of “Kochanska” River, 24.10.2020. Photo by Trajche Dimitrovski.
Polygonum arenarium subsp. pulchellum – flowers. Gorge of “Kochanska” River, 24.10.2020. Photo by Trajche Dimitrovski.

References:

Micevski, K. (1995). The Flora of the Republic of Macedonia Vol. I, Book 3. Macedonian Academy of Sciences and Arts.

Polygonum arenarium subsp. pulchellum (Loisel.) Thell. Plants of the World Online portal, Royal Botanic Gardens, Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77250798-1 [Accessed 06.11.2022].

Polygonum arenarium subsp. pulchellum. Source: Uotila, P. (2017+): Polygonaceae. – In: Euro+Med Plantbase – the information resource for Euro-Mediterranean plant diversity. https://europlusmed.org/cdm_dataportal/taxon/8c3982a3-e335-4794-83a2-094c6a1dc7b2 [Accessed 06.11.2022].

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