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

97. Taraxacum subglaciale Schischkin, Fl. URSS. 29: 743. 1964.

寒生蒲公英 han sheng pu gong ying

Herbs 4-8 cm tall. Petiole purplish, unwinged; leaf blade mid-green, ± linear, 4-6 × 0.5-0.8 cm, glabrous, usually with a few lobules or pinnatisect but sometimes undivided; lateral lobes 1 or 2 pairs, linear-triangular to linear, usually ± recurved, margin entire; interlobes narrow, margin entire; terminal lobe linear, elongated-lingulate, basal segments ± linear and subrecurved. Scapes brownish green, overtopping leaves, glabrous. Capitulum ca. 1.5 cm wide. Involucre 5-6 mm wide, base subobconic. Outer phyllaries 8-10, middle part deep grayish green with a very gradual transition into paler border, not imbricate, ± narrowly lanceolate, outermost ones 4.5-5 × ca. 1.5 mm and ca. 1/3 as long as inner ones, ± appressed to loosely appressed, border narrow, paler grayish green to whitish, and 0.2-0.3 mm wide, margin glabrous, flat below apex; inner phyllaries 1-1.2 cm, ± flat to blackish callose below apex. Ligules yellow. Stigmas yellowish green. Anthers polliniferous; pollen grains irregular in size. Achene grayish straw-colored brown, 3.9-4.1 × ca. 0.9 mm; body ± smooth or apically with a few almost invisible tubercles, cone not discernible or broadly conic and 0.6-0.8 mm; beak 4-4.5 mm, ± thick. Pappus ± white, ca. 5 mm. Fl. summer. Agamosperm.

Alpine slopes, on moist shallow soils; 3500-4500 m. Xinjiang [Kazakhstan].


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