Hieracium orbicans (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 orbicans (Almq. ex Stenstr.) Dahlst.

Native status

Native. Forest margins.

Distribution

Finland: Al; Denmark ( Schou 2001), Norway, Sweden ( Samuelsson 1954, Tyler 2006 e), Baltic countries ( Sennikov 2003 b), Belarus ( Sennikov 1999 b). Reported also from Hungary ( POWO 2025).

Diagnosis

Stems 40–50 cm tall. Rosulate leaves elliptic or elliptic-ovate, base broadly cuneate to rotund, apex broadly triangular to subrotund, with distant minute teeth, thin, bright-green, with sparse simple hairs along the margins above, on rather long petioles. Cauline leaf single, elliptic-ovate, reduced in size. Phyllaries narrowly triangular, with acute apex, 10–12 mm long, grey-green, with very rare to rare dark simple hairs ca. 1 mm long, rather dense glandular hairs 1–1.8 mm long and sparse stellate hairs throughout, apex with abundant short ciliae and stellate hairs. Synflorescence branches without or with solitary simple hairs, rather dense glandular hairs 0.5–0.8 (1) mm long and stellate hairs. Styles with black papillae. Ligules glabrous.