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

115. Taraxacum yinshanicum Z. Xu & H. C. Fu in Ma, Fl. Intramongol. 6: 330. 1982.

阴山蒲公英 yin shan pu gong ying

Herbs to 35 cm tall, robust. Petiole probably pinkish, winged; leaf blade deep green or ± glaucous green, ± broadly oblanceolate, 10-25 × 2.5-4 cm, ± sparsely arachnoid, pinnatilobed to pinnatisect; lateral lobes usually 4 or 5, ± narrowly triangular, from broad base abruptly narrowing into a linear-triangular distal part, ± patent to pointing upward, proximal margin convex and usually denticulate, distal margin usually concave and ± denticulate at base, apex acute, midvein arachnoid and probably pinkish; interlobes broad, margin denticulate; terminal lobe broadly triangular to flat deltoid, basal lobules patent and with an acute apex, terminal segment with an acute apex. Scape brownish green, overtopping leaves, arachnoid. Capitulum ca. 2.5 cm wide. Involucre base ± rounded. Outer phyllaries 15-18, lanceolate to linear-lanceolate, ca. 11 × 1.5 mm, recurved, abaxially dark green, adaxially glaucous green, margin glabrous, apex flat; inner phyllaries ca. 1.5 cm. Ligules yellow; outer ligules flat, outside striped purplish. Stigmas dark green. Anthers polliniferous. Achene grayish straw-colored brown, 3.3-3.5 × ca. 1.2 mm, densely spinulose above, abruptly narrowing into a subconic 0.7-0.8 mm cone; beak 8-9 mm. Pappus ± white, 5-6 mm. Fl. early summer.

● Mountain forest margins. Nei Mongol.

The type specimen undoubtedly belongs to this section. On the other hand, the figure in the protologue (loc. cit.: 289, pl. 113) probably is not conspecific with the type and may belong to another section.


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