凸尖蒲公英 tu jian pu gong ying

Taraxacum cuspidatum Dahlstedt, Acta Horti Gothob. 2: 171. 1926, not Marklund (1911).

Herbs 12-15(-30) cm tall. Petiole usually purplish at base or greenish, unwinged; leaf blade mid-green, ± linear to linear oblanceolate, (8-)10-12(-16) × 0.8-1.5(-2) cm, ± subglabrous, ± pinnatisect; lateral lobes (3 or)4-6 pairs, linear-triangular to narrowly triangular, 3-8 × 3-4 mm, recurved to ± patent, margin usually entire; interlobes 2-3(-4) mm wide, margin entire; terminal lobe narrowly triangular, sometimes elongated, base sagittate, margin entire, apex acute. Scapes greenish, sparsely arachnoid but more densely arachnoid below capitulum. Capitulum ca. 2 cm wide. Involucre 7-8 mm wide, base ± rounded. Outer phyllaries 20-24, deep green to pale green, ± imbricate, lanceolate to narrowly lanceolate but outermost ones sometimes linear, outermost ones 4-5.5(-7.5) × 1-1.5 mm and 2/5-1/2 as long as inner ones, appressed to loosely so, with a evident whitish membranous 0.2-0.3 mm border, margin glabrous to sparsely ciliate, apex flat; inner phyllaries 1-1.2 cm, apex ± corniculate. Ligules ± yellow; outer ligules flat, outside striped grayish green. Stigmas light greenish. Anthers polliniferous; pollen grains irregular in size. Achene pale grayish, 3.9-4.2 × 0.8-1 mm; body apically ± densely spinulose, gradually narrowing into a ± cylindric 0.9-1 mm cone, spinules short and erect-patent; beak ca. 6 mm, thin. Pappus slightly yellowish white, ca. 6 mm. Fl. summer. Agamosperm.

● Dry grasslands; 1400-2000 m. Hebei, Nei Mongol.