Hieracium capnostylum Dahlst. & Elfstr.

Sennikov, Alexander, 2025, The collection-based inventory and spatial analysis of Hieracium s. str. (Asteraceae) in Finland, Biodiversity Data Journal 13, pp. e 154676-e 154676 : e154676-

Hieracium capnostylum Dahlst. & Elfstr.

Synonym: Hieracium amaurostylum Dahlst.

Native status

Native. Tundra.

Distribution

Finland: Le; northern Sweden.

Diagnosis

Stems 20–25 cm tall. Basal leaves greyish-green, lanceolate to spatulate or oblong-lanceolate, base narrowly cuneate to attenuate, apex triangular to narrowly subrotund, with sparse coarse teeth in the basal half, on a long petiole, with dense simple hairs 1–1.5 mm long above; cauline leaves 2–3, usually strongly reduced. Synflorescence of 1 flowering head. Phyllaries very narrowly triangular to nearly linear, with acute to narrowly attenuated apex, 11–12 mm long, dark-olivaceous, with abundant black-based or dark simple hairs 2–3 mm long, rather dense to dense glandular hairs 0.2–0.5 (0.7) mm long and without stellate hairs, apex with abundant long ciliae. Synflorescence branches with very dense to abundant simple hairs 2–3.5 mm long, dense slender glandular hairs 0.3–0.7 mm long and very sparse stellate hairs (looking blackish). Styles with black papillae. Ligules sparsely ciliate.