5. Myriactis delavayi Gagnepain, Bull. Soc. Bot. France. 68: 122. 1921.
羽裂粘冠草 yu lie nian guan cao
Herbs, perennial, 18-50 cm tall; rhizomes usually curved. Stems erect, sometimes ascending, branched from middle or sometimes simple, branches ascending, spreading, long, glabrous or sparsely strigillose. Leaves: petiole narrowly winged, base expanded and clasping, blade surfaces glabrate or sparsely strigillose along veins, margin sometimes sparsely strigillose-ciliate; basal and lower cauline blade oblanceolate, lyrate or pinnatipartite; mid cauline blade homomorphic, oblanceolate to narrowly oblanceolate, 4-7 × 1-3.5 cm, pinnatipartite, lateral lobes 1- or 2-paired, terminal lobe large, elliptic or long elliptic to ovate, margin serrate (often entire on lobes), mucronulate; upper blade narrowly oblanceolate or narrowly elliptic to (uppermost) linear, pinnatifid or pinnatilobate, to (uppermost) serrate or entire. Capitula hemispheric, 6-8 mm in diam. (in fruit), few in lax racemiform synflorescences (terminal seeming subcorymbiform). Phyllaries 3-seriate, subequal, lanceolate or oblong to oblanceolate (inner), 3-4 mm, outer externally strigillose. Ray florets 2- or 3-seriate, tube 0.7-0.8 mm, glandular, lamina linear, 1.15-1.25 × 0.3-0.5 mm, apex rounded, entire; disk floret functionally male, tube 0.2-0.3 mm, limb campanulate, 1.1-1.3 mm, upper tube and limb base glandular, 4(or 5)-lobed, lobes lanceolate, 0.75-0.8 mm. Achenes olive to pale brown, oblanceolate, compressed, 1.8-2.5 mm, short collar viscid. Fl. and fr. Aug-Sep.
Grasslands, forests on slopes; 2700-3000 m. Sichuan, Yunnan [Vietnam].