Hieracium subpellucidum 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 subpellucidum Norrl.

Native status

Native. Sparse spruce and pine forests and forest margins.

Distribution

Finland: Ab, N, Ka, St, Ta, Sa, Oa, Tb, Sb, Kb, Om, Ok, Obo, Obu, Ks, Lkk, Lks, Le; Norway, Sweden ( Samuelsson 1954, Tyler 2017), Estonia ( Sennikov 2003 b), northern and central European Russia ( Schljakov 1989, Sennikov 2000, Sennikov 2006 b, Sennikov 2008 b), extending to Northern Asia as far as Lake Baikal ( Chepinoga et al. 2024).

Diagnosis

Stems 40–60 cm tall. Rosulate leaves oblong-lanceolate, base cuneate, apex broadly triangular, with small sparse teeth, rather thin, dark-green, with sparse simple hairs 1–1.5 mm long (glabrescent in the centre) and numerous stellate above, on short petioles. Cauline leaves similar, petiolate, usually 1–2 in the basal part. Phyllaries narrowly triangular, with acute apex, 8–9 (10) mm long, grey-green, basally sometimes with solitary, but usually without simple hairs, with rather dense to dense glandular hairs 0.6–0.9 (1.2) mm long and sparse to rather dense stellate hairs throughout, apex with numerous short ciliae. Synflorescence branches without simple hairs, rather dense glandular hairs 0.3–0.4 (0.8) mm long and stellate hairs. Styles with black papillae. Ligules glabrous.