5. Crepis sibirica Linnaeus, Sp. Pl. 2: 807. 1753.
西伯利亚还阳参 xi bo li ya huan yang shen
Aracium sibiricum (Linnaeus) Schultz Bipontinus; Crepis ruprechtii Boissier; Hapalostephium sibiricum (Linnaeus) D. Don; Hieracioides ruprechtii (Boissier) Kuntze; Hieracium sibiricum (Linnaeus) Lamarck; Lepicaune sibirica (Linnaeus) K. Koch; Sonchus caucasicus Biehler; S. flexuosus Ledebour; Soyeria sibirica (Linnaeus) Monnier.
Herbs 0.5-1.5 m tall, perennial, with stout horizontal to oblique rhizomes. Stem solitary, stout, apically rather sparsely branched, especially apically with white arachnoid hairs and stiff subulate greenish hairs, leafy. Basal leaves and lower stem leaves with a winged petiole 6-15 cm or more; leaf blade narrowly oblong-elliptic, oblong-ovate, ovate, or elliptic, 16-20 × 5.5-10 cm, abaxially scabrid and white hispid and hirsute on veins, adaxially glabrous, margin hispid, base abruptly narrowed to rarely attenuate, margin ± coarsely dentate, apex acute to acuminate. Middle stem leaves similar to lower stem leaves but petiole shorter, more broadly winged, dentate, and basally clasping; leaf blade ovate to lanceolate, basally attenuate. Upper stem leaves sessile and smaller, otherwise similar to middle stem leaves; uppermost stem leaves elliptic to linear-lanceolate, reduced in size, margin entire. Synflorescence laxly corymbiform, with few to several capitula. Capitula many flowered; peduncle (1-)2-15 cm, stout. Involucre campanulate, ca. 1.5[-2] × 1-1.5 cm, dark green in fruit. Phyllaries abaxially with dense stiff subulate hairs especially on midvein; outer phyllaries ovate-lanceolate to narrowly elliptic-lanceolate, longest more than 1/2 as long as inner ones, apex acute to obtuse; inner phyllaries adaxially glabrous, apically subacute. Achene dark brown to reddish brown, fusiform, 9-10 mm, subcurved, with 20 ribs, apically attenuate. Pappus white or pale yellowish white, 8-9 mm. Fl. and fr. May-Sep.
Mountain slopes, forest margins, forests, thickets, grasslands in forests; 1000-2700 m. Heilongjiang, Liaoning, Nei Mongol, Xinjiang [Kazakhstan, Kyrgyzstan, Mongolia, Russia, Tajikistan; E Europe].