永宁千里光 yong ning qian li guang

Herbs, annual, dwarf. Stems 5-12 cm tall, much branched from base; branches spreading, ascending, glabrous. Leaves sessile; blade oblanceolate, 2-3.5 × 0.5-1 cm, glabrous, base scarcely auriculate, margin irregularly coarsely dentate or pinnatifid with 4-6 shortly triangular-oblong to linear-oblong ob-scurely denticulate lateral lobes, apex obtuse; upper leaves smaller. Capitula minutely radiate, solitary, axillary, subsessile. Involucres narrowly ovoid, 5-6 × 2-3 mm, contracted toward apex, minutely calyculate; bracts of calyculus 2 or 3, linear or linear-subulate, apically obtuse; phyllaries 8-14, oblong-linear, ca. 0.5 mm wide, connate except at apex, herbaceous, apically triangular, rather obtuse, puberulent. Ray florets ca. 7; corolla tube ca. 1.5 mm; lamina yellow, oblong, minute, ca. 0.5 mm, 3-veined, apically 2- or 3-lobulate. Disk florets 13-15; corolla yellow, ca. 2 mm, with ca. 0.7 mm tube and narrowly funnelform limb; lobes ovate, ca. 0.3 mm, apically obtuse. Anthers ca. 0.5 mm, basally distinctly auriculate; appendages ovate; antheropodia short, basally dilated. Style branches ca. 0.3 mm. Achenes cylindric, 3-4 mm, glabrous. Pappus white, ca. 1.5 mm, bristles few, unequal. Fl. May-Jun.

● Lake and swamp margins; 2600-2800 m. Sichuan (Yongning).