Hieracium incurrens 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 incurrens Norrl.

Native status

Native. Spruce forests, forest margins, shrubs, riversides.

Distribution

Finland: Ab, N, Ka, St, Ta, Sa, Oa, Tb, Sb, Kb, Om, Ok, Obo, Obu, Ks, Lkk; Sweden ( Samuelsson 1954, Tyler 2017), Baltic countries ( Sennikov 2003 b), northern and central European Russia ( Samuelsson 1954, Schljakov 1989, Sennikov 2000, Sennikov 2006 b, Sennikov 2006 c, Sennikov 2008 b), eastwards up to the Urals ( Chepinoga et al. 2024).

Diagnosis

Stems 50–70 cm tall. Basal leaves dark greyish-green, lanceolate to elliptic-lanceolate, base cuneate, apex broadly triangular to subobtuse, with prominent sparse serrate dentation, thin, with rare to rather dense simple hairs 0.5–1 mm long and sparse stellate hairs above, on rather long petioles. Cauline leaves similar, 2–3. Phyllaries triangular or narrowly triangular, with acute apex, ca. 11 mm long, dark olivaceous, with rather dense blackish simple hairs ca. 1.5 mm long, rather dense blackish glandular hairs 0.5–0.8 (1.2) mm long and sparse stellate hairs along the margins, apex without ciliae. Synflorescence branches with rare to sparse simple hairs 1 mm long, rare to sparse glandular hairs 0.2–0.4 mm long and stellate hairs. Styles with dark papillae. Ligules glabrous.