东北鸦葱 dong bei ya cong

Scorzonera glabra Ruprecht var. manshurica (Nakai) Kitagawa.

Herbs to 14 cm tall, perennial, rosulate. Rootstock obconic, ca. 3 cm in diam. Caudex densely covered with brown fibrous and lacerate leaf sheath residues. Stems few, unbranched, conspicuously floccose or lanate when young, soon glabrescent. Rosette leaves linear, 8-10 × 0.3-0.4 cm, adaxially densely lanate when young, glabrescent, base attenuate, margin flat and basally lanate, apex acute to long acuminate. Stem leaves 1-3, scalelike, subulate-triangular, margin and adaxially lanate. Capitulum solitary. Involucre campanulate, to 2 × 1.8 cm in fruit. Phyllaries abaxially white puberulent and tinged with purple, apex obtuse to acute; outermost phyllaries triangular to ovate-triangular, largest ca. 7 × 3 mm. Achene dirty yellow, cylindric, 7-8 mm, with smooth ribs, sparsely to densely villous. Pappus dirty yellow, 1-1.5 cm. Fl. and fr. Apr-May.

● Dry mountain slopes. Heilongjiang, ?Jilin, Liaoning, Nei Mongol.

Scorzonera manshurica seems close to S. ikonnikovii, and the delimitation between the two species should be reassessed. See also note under S. austriaca.