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

77. Taraxacum icterinum Kirschner & Štepánek, Fl. China. 20-21: 306. 2011.

黄疸蒲公英 huang dan pu gong ying

Type: China. Sichuan: "Sichuan occid., urbs Kangding [康定]: in urbis vicinitate boreo-orientali," ca. 2650 m, 30 May 1992, L. Businská & R. Businský 1, cultivated as JŠ 5106 (holotype, PRA; isotypes, MO, PE, PRA).

Paratypes: China. Sichuan: ibidem, L. Businská & R. Businský 1, cultivated as JŠ 5105, JŠ 5107, JŠ 5108, JŠ 5109, JŠ 6232, JŠ 6364, JŠ 6716, JŠ 7092 (PRA); "W Sichuan, Garze [甘孜区], ad ripam dextram flum. Yalong [雅砻江]," ca. 3450 m, 17 Jun 1992, L. Businská & R. Businský 5, cultivated as JŠ 5080, JŠ 6217 (PRA).

Plantae agamospermae mediocres, foliis saturate viridibus, saepe badio-purpurascentibus, pinnatilobis vel pinnatisectis, lobis lateralibus 4 vel 5 utrinque, petiolis late alatis, phyllariis involucralibus exterioribus 13 ad 15, atro-viridibus, laxe adpressis, ovato-lanceolatis, stigmatibus luteo-viridibus, antheris polliniferis, acheniis plerumque 3.7-3.8 mm longis, superne dense squamuloso-spinulosis, in pyramidem subconicam ca. 0.4 mm longam ± abrupte abeuntibus.

Herbs 15-20 cm tall. Petiole purple, broadly winged; leaf blade deep green, sometimes suffused brownish purple, and with a purplish midvein, narrowly oblanceolate to narrowly oblong, 7-15 × 1.5-3 cm, sparsely arachnoid, shallowly pinnatilobed to pinnatisect, margin sometimes undivided and entire in distal ca. 1/3; lateral lobes 4 or 5 pairs, ± broadly triangular, recurved, proximal margin entire, distal margin shallowly sigmoid and entire but dentate in lower lobes, apex acute; interlobes short and broad, margin ± entire; terminal lobe narrowly triangular to helmet-shaped, margin entire, apex acute to mucronate. Scapes brownish green, overtopping leaves, sparsely arachnoid. Capitulum ca. 4 cm wide. Involucre 1-1.2 cm wide, base rounded. Outer phyllaries 13-15, abaxially blackish green, suffused brownish purple in upper part, and slightly pruinose, ± not imbricate, ± ovate-lanceolate, outermost ones 11-13 × 3-6 mm and almost as long as inner ones, loosely appressed, with a whitish 0.1-0.2 mm wide border, margin sparsely ciliate, apex flat; inner phyllaries 1.5-1.6 cm, apex flat. Ligules deep yellow; outer ligules ± flat, outside striped purplish brownish gray; inner ligules with ± yellow teeth at apex; ligule tube pubescent. Stigmas light greenish yellow, abaxially grayish pubescent. Anthers polliniferous; pollen grains irregular in size. Achene light grayish straw-colored brown, 3.7-3.8 × 0.9-1.1 mm; body ± densely spinulose-squamulose above, ± abruptly narrowing into a subconic ca. 0.4 mm cone; beak ca. 1 cm. Pappus ± white, ca. 7 mm. Fl. late spring. Agamosperm.

● Montane meadows and pastures; 2600-3500 m. W Sichuan.


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