天山狗舌草 tian shan gou she cao

Senecio turczaninovii Candolle, Prodr. 6: 360. 1838; Cineraria frigida Richardson var. robusta Herder; S. integrifolius (Linnaeus) Clairville var. robustus (Herder) Cufodontis; S. nemorensis Linnaeus var. turczaninovii (Candolle) Komarov; S. sarracenicus Linnaeus var. turczaninovii (Candolle) Nakai.

Herbs, rhizomatous. Stems solitary, rarely 2 or 3, erect, 10-20 cm tall, simple, at first arachnoid-tomentose, glabrescent, glandular villous with purplish hairs in upper part. Radical leaves several, present at or withered by anthesis, rosulate, long petiolate; petiole 2-8 cm, narrowly winged in upper part, sparsely arachnoid, glabrescent, basally expanded; blade oblong-ovate, 3-10 × 1-2 cm, papery, sparsely white arachnoid, base cuneate or attenuate into petiole, margin entire or sinuate-dentate, apex obtuse to rounded, apiculate. Median stem leaves sessile, oblong-lanceolate or lanceolate, 4-10 × 0.8-2 cm, base expanded and subamplexicaul, margin few dentate or subentire, apex obtuse. Upper leaves lanceolate or linear-lanceolate, base cordate and subamplexicaul. Capitula ca. 3 cm in diam., sometimes discoid, 2 or 3(-6) arranged in terminal corymbs; peduncles 0.5-2 cm, densely arachnoid-lanate, bracteate at base, not bracteolate. Involucres broadly campanulate, 8-12 × ca. 10 mm, not calyculate; phyllaries 18-20, dark purple, lanceolate or linear-lanceolate, 1-1.5 mm wide, herbaceous, densely glandular villous with dark purple hairs, apex acuminate. Ray florets ca. 15; corolla tube ca. 3.5 mm; lamina orange-yellow, oblong, ca. 15 × 3-3.5 mm, 4-veined, apically 3-denticulate, obtuse. Disk florets many; corolla deep yellow, ca. 6.5 mm, with ca. 3 mm tube and funnelform limb; lobes ovate-lanceolate, ca. 1 mm, apically acute, papillose. Anthers obtuse at base, appendages ovate-lanceolate. Style branches ca. 1 mm. Achenes cylindric, 2.5-3 mm, glabrous. Pappus white, ca. 5.5 mm. Fl. Jul-Aug. 2n = 90, 104.

Montane meadows; below 3000 m. N Xinjiang (Altay) [Mongolia, Russia (Siberia)].