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32b. Pleurospermum hookeri var. thomsonii C. B. Clarke in J. D. Hooker, Fl. Brit. India. 2: 705. 1879.
西藏棱子芹 xi zang leng zi qin
Hymenidium chloroleucum (Diels) Pimenov & Kljuylov; Pleurospermum affine H. Wolff; P. likiangense H. Wolff (1930), not H. Wolff (1929); P. markgrafianum H. Wolff; P. pseudoinvolucratum H. Wolff; P. tibetanicum H. Wolff; Trachydium chloroleucum Diels.
Bracteoles linear-lanceolate, margin narrow, tinged brown, apex usually pinnatifid.
Grassy slopes; 2700–4500 m. Gansu, Qinghai, Sichuan, SE Xizang, NW Yunnan.
This variety has reputed medicinal value (in Xizang). Some authors consider Hymenidium (Trachydium) chloroleucum (including Pleurospermum likiangense) to be a separate taxon, differentiated by the less dissected leaflets and bracteoles with a pinnate apex. Further work is needed on this complex group.
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