Hieracium subrigidum (Almq. ex Stenstr.) Dahlst.

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 subrigidum (Almq. ex Stenstr.) Dahlst.

Native status

Native. Shrubs, forest margins.

Distribution

Finland: Al, N, St, Sa, Oa; Sweden, possibly Norway. Reported from northern European Russia ( Schljakov 1989).

Diagnosis

Stems 50–70 cm tall. Rosulate leaves narrowly lanceolate, base gradually attenuated into a petiole, apex triangular, with sparse small narrow teeth, rigid, grass-green, with sparse simple hairs 1–1.2 mm long and stellate hairs above, on very short petioles. Cauline leaves rhombic-lanceolate or oblong-lanceolate, sessile, base broadly rotund, with prominent very narrow spreading teeth. Phyllaries broadly linear, with acute apex, 10–11 mm long, blackish-green, with rather dense dark-based simple hairs 1–1.3 (1.5) mm long, rare to sparse glandular hairs 0.2–0.5 mm long and almost without stellate hairs, apex without ciliae. Synflorescence branches with rather rare simple hairs, with solitary or without glandular hairs 0.2 mm long, with stellate pubescence. Styles with black papillae. Ligules glabrous.