Hieracium lateriflorum 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 lateriflorum Norrl.

Native status

Native. Shady sparse spruce forests, forest margins.

Distribution

Finland: Al, Ab, N, Ka, St, Ta, Sa, Oa, Tb, Sb, Kb, Om, Obu; northern European Russia ( Schljakov 1989, Sennikov 2008 b, Sennikov 2009).

Diagnosis

Stems 40–50 cm tall. Rosulate leaves oblong, base broadly cuneate to truncate, apex triangular, with sparse small obtuse teeth, thin, dark-green, with rare simple hairs up to 1 cm long above, on rather long petioles. Cauline leaf single, reduced in size. Phyllaries narrowly triangular, with acute apex, 9–10 mm long, dark-green, without simple hairs, with abundant black glandular hairs 0.7–1.5 mm long and sparse stellate hairs along the margins, apex with some short ciliae. Synflorescence branches without simple hairs, with rather dense glandular hairs 0.8–1.2 mm long and stellate hairs. Styles with black papillae. Ligules glabrous.