Hieracium rasile Norrl.

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 rasile Norrl.

Native status

Native. Open forest margins, shrubs.

Distribution

Finland: Oa, Tb, Sb, Om, Ok, Obo, Obu, Ks, Lks. Endemic to Finland.

Diagnosis

Stems 40–50 cm tall. Basal leaves 2–3, present at anthesis; cauline leaves 6–8, very gradually decreasing in size from the stem base, lowermost ones rhombic-lanceolate, sessile, base cuneate, apex attenuate-triangular, with sparse (3–4) prominent acute teeth in the basal half, rigid, intensely green, glabrous, but with numerous stellate hairs above. Phyllaries nearly linear-oblong, with subacute apex, ca. 10 mm long, grey-green, with solitary pale simple hairs 0.5–1 mm long, sparse glandular hairs 0.3–0.8 mm long along the narrow central line and sparse stellate hairs mostly in the basal half, apex without ciliae. Synflorescence branches without simple and glandular hairs, with dense stellate tomentum. Styles with blackish (discoloured) papillae. Ligules glabrous.