Carex filiformis L. (syn. Carex tomentosa L.)

Posted byTrajche DimitrovskiPosted inUncategorized

Taxonomy: Fam. Cyperaceae// Genus: Carex// Species: Carex filiformis L.

Determined according to the botanical key provided by Chater (1980 in Tutin et al.) as Carex tomentosa L., Mantissa 123 (1767). The accepted name in The Euro+Med Plantbase (Jiménez-Mejías & Luceño, 2011+) is Carex filiformis L., Sp. Pl.: 976. 1753.

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

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

Habitat: Grasslands and clearings of forests. Recorded in the region of village of Pantelej.

Flowering period: Spring: APR.

Photographs taken in the natural habitat.

Carex filiformis – habit in habitat. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – habit in habitat. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – habit in habitat. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – flowering stems with inflorescence. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – flowering stems with inflorescence. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – flowering stem with inflorescence. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – flowering stem with inflorescence. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – terminal male spike. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – terminal male spike. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – terminal male spike and female spikes. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – female spikes. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – female spikes and bracts; the lowest bract exceeds the spike. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – lower female spike and bract; the lowest bract exceeds the spike. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – female spikes with utricles. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – stems and leaves. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – leaves. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis –vegetative shoot with basal leaves (left) and flowering stems with leaves (right). Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – A: stems and cauline leaves; B: stem and leaf sheath; C: ligule; D: adaxial side of leaf; E: abaxial side of leaf. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – basal leaves. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – A: basal leaves; B: adaxial side of basal leaves; C: abaxial side of basal leaves. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – plant base. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – base of stems and basal sheaths. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – base of stems and basal sheaths. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – rhizome. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – rhizome. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.
Carex filiformis – new developing shoot. Osogovo – village of Pantelej region (towards Kochanski dol), 03.05.2024. Photo by Trajche Dimitrovski.

Scaled images.

Carex filiformis – habit. Scale in cm. Specimens from Osogovo – village of Pantelej region (towards Kochanski dol). Photo by Trajche Dimitrovski.
Carex filiformis – inflorescence. Scale in cm/mm. Photo by Trajche Dimitrovski.
Carex filiformis – A: male and female spikes. Scale in mm/cm. B: utricles, C: width of basal leaves and D: width of cauline leaves. Scale in mm. Photo by Trajche Dimitrovski.
Carex filiformis – A: apex of utricle; B and C: hairs of utricle and D: scabrid upper part of stem under magnification. Photo by Trajche Dimitrovski.

References:

Carex filiformis. Jiménez-Mejías, P. & Luceño, M. (2011+): Cyperaceae. – In: Euro+Med Plantbase – the information resource for Euro-Mediterranean plant diversity. Published at https://europlusmed.org/cdm_dataportal/taxon/5da24f23-fef1-4e34-af5b-b8299c484028 [Accessed 04.05.2024].

Carex tomentosa L. Plants of the World Online portal, Royal Botanic Gardens, Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:302660-1 [Accessed 04.05.2024].

Chater, A. O. 1980. Carex 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. 290 – 323.