Pilosella caespitosa (Dumort.) P. D. Sell & C. West (syn. Hieracium caespitosum Dumort.)

Taxonomy: Fam. Compositae// Genus: Pilosella// Species: Pilosella caespitosa P. D. Sell & C. West.

Determined according to the botanical keys provided by Sell and West in Tutin et al. (1976) as Hieracium caespitosum Dumort., Fl. Bel. 62 (1827) (H. caespitosum subsp. caespitosum). The accepted name in The Euro+Med PlantBase (source: Greuter, 2006+) is Pilosella caespitosa (Dumort.) P. D. Sell & C. West in Watsonia 6: 314. 1967.

Lifeform: Perennial; Hemicryptophyte according to the Raunkiær system.

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

Habitat: Open and somewhat moist habitats – grasslands, along mountain streams.

Flowering period: Summer, sporadically reblooming later in the season: JUN, JUL ( -OCT).

*Pilosella caespitosa* – habit. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – synflorescence with capitula. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – capitula. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – capitulum. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – side view of capitula with involucral bracts. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – side view of capitula with involucral bracts, pedicels. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – branches of inflorescence. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – stem. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – stem and cauline leaf. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – basal leaves and stem with cauline leaf. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – basal leaves and stem with lower cauline leaf. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – stem and basal leaves. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – basal leaves. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – basal and cauline leaves. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – stem and adaxial side of cauline leaf. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – abaxial side of cauline leaf. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – adaxial side of basal leaf. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – abaxial side of basal leaf. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – lower part of stem. Osogovo – Ponikva, 15.06.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – habit during fruiting. Osogovo – Ponikva, 26.07.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – fruiting capitula. Osogovo – Ponikva, 26.07.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – achenes. Osogovo – Ponikva, 26.07.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – stolon. Osogovo – Ponikva, 26.07.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – stolons. Osogovo – Ponikva, 26.07.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – leaves of stolons. Osogovo – Ponikva, 26.07.2024. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – habit. Osogovo – Ponikva, 06.10.2023. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – upper part of stem with synflorescence. Osogovo – Ponikva, 06.10.2023. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – capitula – involucral bracts. Osogovo – Ponikva, 06.10.2023. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – side view of capitula – involucral bracts. Osogovo – Ponikva, 06.10.2023. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – upper part of stem with simple eglandular hairs, glandular hairs and stellate hairs. Osogovo – Ponikva, 06.10.2023. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – lower part of stem. Osogovo – Ponikva, 06.10.2023. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – stem with cauline leaf and basal leaves. Osogovo – Ponikva, 06.10.2023. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – basal leaves. Osogovo – Ponikva, 06.10.2023. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – adaxial side of cauline leaf. Osogovo – Ponikva, 06.10.2023. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – abaxial side of cauline leaf. Osogovo – Ponikva, 06.10.2023. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – adaxial side of basal leaf. Osogovo – Ponikva, 06.10.2023. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – abaxial side of basal leaf. Osogovo – Ponikva, 06.10.2023. Photo by Trajche Dimitrovski.

*Pilosella caespitosa* – stolons. Osogovo – Ponikva, 06.10.2023. Photo by Trajche Dimitrovski.

References:

Hieracium L. (incl. Pilosella Hill.). Sell, P. D. & West., C. in 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, pp. 358 – 410.

Pilosella caespitosa. Source: 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/458bce7c-9220-4725-b835-1a18daddf2f1 [Accessed 11.10.2023].

Pilosella caespitosa (Dumort.) P.D.Sell & C.West. Plants of the World Online portal, Royal Botanic Gardens, Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:238026-1 [Accessed 11.10.2023].

Last update: 05.08.2024.

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