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

78. Taraxacum cyathiforme Kirschner & Štepánek, Fl. China. 20-21: 307. 2011.

杯形蒲公英 bei xing pu gong ying

Type: China. Xinjiang: "Montes Tian Shan [天山], vallis Houxia [后峡]: in valle laterali cum arboribus solitaribus (Picea schrenkiana) et fruticibus (Caragana jubata)," 2561 m, 2 Oct 2004, P. Sekerka, P. Hanzelka & I. Bulánková 04/42, cultivated as JŠ 7960 (holotype, PRA; isotypes, MO, PE, PRA).

Plantae agamospermae submediocres, foliis pallide viridibus, anguste ellipticis, pinnatisectis, lobis lateralibus 3 vel 4 utrinque, lineari-triangularibus, elongatis, apice lingulatis, petiolis latissime alatis, involucro basi subturbinato, phyllariis involucralibus exterioribus 12 ad 17, obscure griseo-viridibus, subpruinosis, lanceolatis vel lineari-lanceolatis, laxe adpressis vel erectis, stigmatibus obscure viridibus, antheris polliniferis, acheniis 3.5-3.9 mm longis, superne dense squamuloso-spinulosis, in pyramidem subconicam ca. 0.4 mm longam abrupte abeuntibus.

Herbs 8-12 cm tall. Petiole pale green or purplish, broadly winged; leaf blade light vivid green, narrowly elliptic, 6-12 × 2-3.5 cm, sparsely arachnoid, pinnatisect; midvein brownish pink; lateral lobes 3 or 4 pairs, ± linear-triangular, patent to subrecurved, distal part often lingulate-elongated, proximal margin entire, distal margin shallowly sigmoid, with deep incisions or denticulate, and sometimes entire, apex subacute; interlobes distinct, long, to 15 × 3-4 mm, ± entire or irregularly dentate; terminal lobe narrowly triangular to 3-partite, 2-3 × 1.3-2 cm, terminal segment elongated, usually entire. Scapes brownish green but purplish at base, equaling leaves, sparsely arachnoid. Capitulum 3.5-4 cm wide. Involucre 9-10 mm wide, base obconic. Outer phyllaries 12-17, abaxially grayish green and slightly pruinose, ± not imbricate, linear-lanceolate to lanceolate, outermost ones 7-9 × 2-3.3 mm and ca. 2/3 as long as inner ones, loosely appressed to erect, with a whitish 0.1-0.2 mm wide border, margin subglabrous, apex purplish and initially flat but in later capitula horned; inner phyllaries ca. 1.2 cm, apex ± flat. Ligules deep yellow; outer ligules ± flat, outside striped purplish brown; inner ligules with reddish teeth at apex; ligule tube sparsely pubescent to glabrous. Stigmas grayish green, abaxially blackish pubescent. Anthers polliniferous; pollen grains irregular in size. Achene light grayish straw-colored brown, 3.5-3.9 × ca. 1.1 mm; body densely spinulose-squamulose above, ± abruptly narrowing into a subconic ca. 0.4 mm cone; beak ca. 5.5 mm. Pappus ± white, ca. 6 mm. Fl. late spring. Agamosperm.

● Montane shrubby slopes; 2500-2600 m. Xinjiang (Tian Shan).


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