Hieracium lapponicum Fr.

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 lapponicum Fr.

Native status

Native. Riversides, tundra.

Distribution

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

Diagnosis

Stems 30–40 cm tall. Basal leaves usually present at anthesis, lanceolate or rhombic-lanceolate; cauline leaves 5–7, gradually decreasing from the stem base, lowermost ones lanceolate, base narrowly cuneate, apex acute, with sparse minute teeth, rather dark green, rigid, with sparse to rather dense simple hairs 0.8–1 mm long and sparse stellate hairs above, on sessile or on indistinct petioles. Phyllaries broadly triangular, with broadly acute to obtuse apex, 9–10 mm long, blackish, with rare to rather rare black-based simple hairs 0.5–1 mm long, rare glandular hairs 0.1–0.3 mm long and sparse stellate hairs throughout, apex with few very short ciliae. Synflorescence branches with rare to sparse (rather dense) simple hairs, usually without glandular hairs and with stellate pubescence. Styles with black papillae. Ligules glabrous.