Hieracium corrasum Norrl.

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 corrasum Norrl.

Native status

Native. Riversides, tundra.

Distribution

Finland: Le; northern Norway and Sweden.

Notes

This species is included in Hieracium subellipticum Elfstr. in POWO (2025).

Diagnosis

Stems 20–30 cm tall. Basal leaves plumbeous-green, lanceolate-ovate, oblong-ovate to oblong, base cuneate to truncate, apex triangular, with prominent narrow acute teeth in the middle and the basal half, on a long petiole, with sparse simple hairs ca. 1 mm long along the margins or glabrous above; cauline leaves 2, usually strongly reduced. Synflorescence of 2–3 flowering heads, with rather short slender final branches (central one is not abbreviated). Phyllaries nearly linear, with narrowly acute apex, 11–12 mm long, dark-olivaceous, with rather dense blackish simple hairs 1.5–2 mm long, sparse to rather dense slender glandular hairs 0.2–0.5 mm long and sparse stellate hairs along the margins in the basal part, with narrow glabrous margins, apex with several long ciliae. Synflorescence branches with sparse simple hairs 1–1.5 mm long, dense stiff glandular hairs 0.3–0.5 mm long and stellate hairs. Styles with black papillae. Ligules glabrous.