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

80. Taraxacum damnabile Kirschner & Štepánek, Fl. China. 20-21: 308. 2011.

丑蒲公英 chou pu gong ying

Type: China. Shaanxi/Henan: "Prope limitem provinciarum Shaanxi et Henan, situ boreo-orientali ab oppido Danfeng [丹风]," 1000-1500 m, 29-31 May 1995, R. Businský s.n., cultivated as JŠ 5853 (holotype, PRA; isotypes, MO, PE, PRA).

Paratypes: China. Shaanxi/Henan: ibidem, R. Businský s.n., cultivated as JŠ 5854, JŠ 5855, JŠ 5856, JŠ 5857, JŠ 5858, JŠ 5859, JŠ 5860, JŠ 5861, JŠ 5862 (PRA). Hubei: "Distr. Shennongjia [神农架林区]," 1800-2800 m, 23-30 Jun 1995, R. Businský s.n., cultivated as JŠ 5864, JŠ 5870, JŠ 5871, JŠ 5872 (PRA).

Plantae agamospermae mediocres, foliis obscure viridibus, pinnatisectis, lobis lateralibus numerosis, (4 vel)5 vel 6(vel 7) utrinque, triangularibus, subrecurvis, plerumque lingulato-elongatis, interlobiis badio-purpureis, petiolis alatis, phyllariis involucralibus exterioribus 16 ad 22, irregulariter patentibus usque arcuato-recurvis, ovato-lanceolatis vel lanceolatis, glaberrimis, stigmatibus subgriseo-luteis, antheris polliniferis, acheniis 3.7-3.9 mm longis, superne dense squamuloso-spinulosis, in pyramidem conicam 0.5-0.7 mm longam subsensim abeuntibus.

Herbs 14-17 cm tall. Petiole green or purplish, very broadly winged in outer leaves but narrowly so in inner ones; leaf blade dark green, usually suffused bronze, and with a brownish pink midvein, broadly linear-oblanceolate to narrowly oblong, 10-17 × 2-3.5 cm, arachnoid, pinnatisect; lateral lobes (4 or)5 or 6(or 7) pairs, ± triangular, subrecurved, distal part sometimes lingulate-elongated, proximal margin straight and entire, distal margin shallowly sigmoid to ± straight and usually sparsely denticulate or sometimes entire, apex acute; interlobes with deep purple brown spots, short, 4-7 mm wide, margin irregularly dentate; terminal lobe broadly triangular to helmet-shaped, 1-3 × 1.5-2.5 cm, terminal segment elongated, margin usually entire or with irregular teeth or incisions. Scapes purplish green, subequaling leaves, ± densely arachnoid. Capitulum 3.5-4.5 cm wide. Involucre ca. 1 cm wide, base ± rounded. Outer phyllaries 16-22, abaxially deep olivaceous green and apically brownish pink, ± not imbricate, ovate-lanceolate to lanceolate, outermost ones 9-11 × 3-5 mm and ca. 2/3 as long as inner ones, conspicuously irregularly patent to arcuate-recurved, border light grayish green but later abaxially also suffused brownish purple, membranous, and 0.1-0.2 mm wide, margin glabrous, apex ± callose; inner phyllaries 1.1-1.2 cm. Ligules deep yellow; outer ligules ± flat, outside striped greenish gray; inner ligules with dirty yellow or yellow teeth at apex. Stigmas grayish yellow, abaxially partly blackish pubescent. Anthers polliniferous; pollen grains irregular in size. Achene grayish light brown, 3.7-3.9 × 0.9-1 mm; body with prominent lateral ridges, densely spinulose-squamulose above, ± subgradually narrowing into a ± conic 0.5-0.7 mm cone; beak 1-1.1 cm. Pappus ± white, ca. 6 mm. Fl. late spring. Agamosperm.

● Pastures, shrubby slopes; 1000-2800 m. E Henan, W Hubei, SW Shaanxi.


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