Hieracium laterale (Norrl.) Brenner

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 laterale (Norrl.) Brenner

Native status

Native. Riversides, tundra.

Distribution

Finland: Obu, Lkk, Le, Li; Norway, Sweden, northern European Russia ( Schljakov 1989).

Diagnosis

Stems 35–45 cm tall. Basal leaves usually present at anthesis, lanceolate; cauline leaves 6–8, gradually decreasing from the stem base, lowermost ones lanceolate to narrowly rhombic-lanceolate, base attenuated into a petiole, apex narrowly triangular, with sparse small teeth, rigid, rather dark green, with sparse simple hairs 1–1.5 mm long and abundant stellate hairs above, on short, but distinct petioles. Phyllaries broadly triangular, with a broad apex, 10–11 mm long, dark grey-green, with solitary to rare (or lacking) black-based simple hairs 1–1.3 mm long, rather dense glandular hairs 0.3–0.7 (1) mm long and very rare (nearly lacking) stellate hairs, apex with very short ciliae. Synflorescence branches with solitary to rather rare (sparse) simple hairs, solitary to rather rare (dense) glandular hairs 0.2–0.3 (0.5) mm long and stellate hairs. Styles with black papillae. Ligules glabrous.