Hieracium plumbeum Blytt & 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 plumbeum Blytt & Fr.

Native status

Native. Pine forests, forested rocks.

Distribution

Finland: Al, Ab, N, Ka, St, Ta, Sa, Oa, Sb, Obu, Ks; Denmark ( Schou 2001), Norway, Sweden ( Samuelsson 1954, Tyler 2006 e), Baltic countries ( Sennikov 2003 b), northern European Russia ( Schljakov 1989, Sennikov 2000, Sennikov 2008 b). Reported also elsewhere in Europe ( POWO 2025).

Notes

Some authors used the name Hieracium caesium for this species ( Samuelsson 1954, Schljakov 1989, Schou 2001).

Diagnosis

Stems 30–50 cm tall. Rosulate leaves lanceolate to broadly lanceolate, with minute to prominent broad teeth, thick, plumbeous, sometimes with purple spots, glabrous above, on long petioles. Cauline leaves similar, 1–2 in the basal half. Phyllaries attenuated to the very narrow apex, 10–12 mm long, blackish, with sparse black-based flexuous simple hairs 1.5–2 mm long, rare glandular hairs 0.1–0.3 mm long and sparse stellate hairs throughout, apex without ciliae. Synflorescence branches with solitary to rare simple hairs, solitary to rare glandular hairs 0.1–0.3 mm long and stellate hairs. Styles with dark papillae. Ligules glabrous.