Hieracium pruiniferum (Norrl.) 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 pruiniferum (Norrl.) Norrl.

Native status

Native. Birch forests, shrubs, forest margins.

Distribution

Finland: Ka, Sa, Kl, Sb, Kb; northern European Russia ( Schljakov 1989, Sennikov 2008 b).

Diagnosis

Stems 60–100 cm tall. Basal leaves withering at anthesis; cauline leaves 25–30, densely spaced, indistinctly panduriform to lanceolate-ovate, base broadly subrotund, apex triangular, with a few indistinct minute teeth in the middle, rather rigid, pale green, glabrous, but with few stellate hairs above, sessile. Phyllaries oblong, with broadly acute apex, ca. 10 mm long, grey-green, without simple hairs, with dense glandular hairs 0.2–0.6 mm long and nearly without stellate hairs, with rather broad glabrous margins, apex without ciliae. Synflorescence branches with very rare to sparse glandular hairs 0.1–0.2 mm long and stellate hairs. Styles with black papillae. Ligules glabrous.