Hieracium laeticolor (Almq.) Lönnr.

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 laeticolor (Almq.) Lönnr.

Synonym: Hieracium prolixiforme Norrl.

Native status

Native. Sparse pine forests, forest margins.

Distribution

Finland: Ab, N, Ka, St, Ta, Sa, Oa, Tb, Sb, Kb, Om, Ok, Obu, Ks; Scandinavia ( Samuelsson 1954, Tyler 2006 e), northern European Russia ( Schljakov 1989, Sennikov 2000, Sennikov 2008 b), Baltic countries ( Sennikov 2003 b). Reported also from other parts of Europe ( POWO 2025).

Diagnosis

Stems 30–40 cm tall. Rosulate leaves narrowly lanceolate, base cuneate, apex narrowly triangular, with minute or small teeth, thick, glaucous-green, glabrous or with a few short simple hairs along the margins above, on short petioles. Cauline leaves similar, usually much reduced in size, 1–2 (3). Phyllaries narrowly triangular, with acute apex, ca. 9 mm long, grey-green, with rather dense black-based simple hairs 0.5–1 mm long, rather rare to sparse glandular hairs 0.1–0.3 mm long and sparse to rather dense stellate hairs throughout, apex with a few ciliae. Synflorescence branches with rather dense simple hairs, rare to sparse glandular hairs 0.1–0.3 mm long and stellate hairs. Styles with black papillae. Ligules glabrous.