Pilosella officinarum F. W. Schultz & Sch. Bip. (syn. Hieracium pilosella subsp. micradenium Nägeli & Peter)

Taxonomy: Fam. Compositae// Genus: Pilosella// Species: Pilosella officinarum F. W. Schultz & Sch. Bip.

Determined according to the botanical keys provided in Flora Europaea Vol. 4 (Tutin et al., 1976) as Hieracium pilosella subsp. micradenium Nägeli & Peter, Hier. Mittel-Eur. 1 : 164 (1885). The accepted name in The Euro+Med PlantBase (source: Greuter, 2006+) is Pilosella officinarum F. W. Schultz & Sch. Bip. in Flora 45: 421, 422. 1862 [& & Vaill. in Königl. Akad. Wiss. Paris Phys. Abh. 5: 703. 1754, nom. inval. (opus utique oppressum)].

Lifeform: Perennial; Hemicryptophyte according to the Raunkiær system.

Distribution: Native from Europe to Kazakhstan and Iran according to the distribution information provided by the Plants of the World Online portal (Royal Botanic Gardens, Kew).

Habitat:  Open habitats: grasslands/ pastures.

Flowering period: Summer: JUN, JUL, AUG.

Pilosella officinarum – habit. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – habit. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – habit. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – habit. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – habit. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – capitula. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – capitulum. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – capitulum. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – capitulum. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – capitulum. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – upper part of scape and capitulum with involucre. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – upper part of scape and capitulum with involucre. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – capitulum with involucre. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – involucral bracts. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – spent capitulum with achenes. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – spent capitulum with achenes. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – achenes. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – achenes. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – scape. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – basal leaves. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – basal leaves. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – basal leaves. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – adaxial side of leaf. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – abaxial side of leaf. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – stolon. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – stolons. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – stolons. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – stolon. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – stolon with developing rosettes. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.
Pilosella officinarum – developing basal rosette. Osogovo, Ponikva, 15.08.2022. Photo by Trajche Dimitrovski.

References:

Pilosella officinarum. Greuter, W. (2006+): Compositae (pro parte majore). – In: Greuter, W. & Raab-Straube, E. von (ed.): Compositae. Euro+Med Plantbase – the information resource for Euro-Mediterranean plant diversity. Published on the Internet https://europlusmed.org/cdm_dataportal/taxon/adada0be-2cc2-460a-83f6-aa6d2ec70426 [Accessed 17.08.2022].

Pilosella officinarum Vaill. Plants of the World Online portal, Royal Botanic Gardens, Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:77133566-1 [Accessed 17.08.2022].

Tutin, T.G., Heywood, V.H., Burges, N.A., Moore, D.M., Valentine, D.H., Walters, S.M. & Webb, D.A. (1976). Flora Europaea. Volume 4: Plantaginaceae to Compositae (and Rubiaceae). Cambridge: Cambridge University Press.

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