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FOC | Family List | FOC Vol. 20-21 | Asteraceae | Tephroseris

10. Tephroseris rufa (Handel-Mazzetti) B. Nordenstam, Opera Bot. 44: 45. 1978.

橙舌狗舌草 cheng she gou she cao

Herbs, rhizomatous. Stem solitary, erect, green or purplish in lower part, 9-60 cm tall, white floccose-tomentose, often ± glabrescent. Radical leaves several, present at anthesis, rosulate, shortly petiolate; petiole 0.5-3 cm, broadly to narrowly winged, basally expanded; blade ovate, elliptic, or oblanceolate, 2-10 × 1.5-3 cm, papery, both surfaces at first sparsely arachnoid-tomentose, glabrescent, pinnately veined, base cuneate-attenuate into petiole, margin entire or remotely mucronulate-dentate, apex obtuse to rounded. Lower stem leaves oblong or oblong-spatulate; median leaves sessile, oblong or oblong-lanceolate, 3-6 × 0.5-1 cm, progressively smaller upward, base expanded and subamplexicaul, apex obtuse; upper leaves linear-lanceolate to linear, both surfaces sparsely arachnoid and glabrescent to subglabrous, and sparsely to densely pilose, apex acute. Capitula radiate, less often discoid, 2-20 arranged in dense to lax terminal subumbelliform corymbs; peduncles 1-4.5 cm, densely to sparsely white arachnoid-tomentose, and pilose, linear-bracteate at base, bracteolate or not. Involucres campanulate, 6-7 × 7-10 mm, not calyculate; phyllaries 20-22, wholly fulvous-purple or purple only at apex, lanceolate to linear-lanceolate, 1-1.5 mm, herbaceous, densely to sparsely arachnoid and fulvous pilose to glabrescent, apically acute-acuminate. Ray florets ca. 15, corolla tube ca. 5 mm; lamina yellow, 4-veined, 3-denticulate. Disk florets many; corolla orange to orange-red or yellow with orange lobes, 7-8 mm, with 3.5-4 mm tube and funnelform limb; lobes ovate-lanceolate, ca. 1.2 mm, apically acute, papillose. Anthers ca. 2.5 mm, basally obtuse, appendages ovate-lanceolate. Achenes cylindric, ca. 3 mm, glabrous or pubescent. Pappus somewhat rubescent, 3.5-4 mm. Fl. Jun-Aug.

● Montane meadows, slopes, roadsides; 2600-4000 m. Gansu, Hebei, Qinghai, Shaanxi, Shanxi, NW Sichuan, NE Xizang.

1 Achenes glabrous.   10a var. rufa
+ Achenes pubescent.   10b var. chaetocarpa

Lower Taxa


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