Hieracium lignyotum 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 lignyotum Norrl.

Native status

Native. Riversides, shrubs, meadows.

Distribution

Finland: Le, Li; northern Norway and Sweden, northern European Russia ( Schljakov 1989).

Diagnosis

Stems 20–30 cm tall. Basal leaves pale greyish-green, oblanceolate to spatulate, base narrowly cuneate to attenuate, apex subrotund to subacute, with minute to coarse sparse teeth in the basal half, on a rather short to long petiole, with dense simple hairs 0.5–1 mm long above; cauline leaves 1–2, lowermost one at the stem base, reduced in size. Synflorescence of 1–3 flowering heads. Phyllaries very narrowly triangular to nearly linear, with narrowly acute apex, 9–10 mm long, dark-olivaceous, with dense to abundant black-based simple hairs 1.5–2 mm long, dense glandular hairs 0.2–0.5 mm long and with sparse stellate hairs at the base, apex with a small coma of long ciliae. Synflorescence branches with sparse simple hairs 1–1.5 mm long, dense stiff glandular hairs 0.2–0.5 mm long and stellate hairs. Styles with black papillae. Ligules almost glabrous.