1b. Pseudocodon convolvulaceus subsp. forrestii (Diels) D. Y. Hong comb. nov.

Codonopsis forrestii Diels (1912: 171) . Codonopsis convolvulacea subsp. forrestii (Diels) Hong & Ma (1992: 546) .

Codonopsis convolvulacea var. forrestii (Diels) Ballard (1939: tab. 9581).

Type:— CHINA. Yunnan, on the banks of Yangtze, 1520–2130 m, September 1904, G. Forrest 48 (lectotype E, here designated; isolectotype PE) .

Codonopsis limprichtii Lingelsheim & Borza (1914: 391) . Codonopsis convolvulacea Kurz var. limprichtii (Lingelsh. & Borza) Anthony (1926: 178) . Type:— CHINA. Yunnan: “Talifu [Dali], an schattigen Plätzen unter Kiefern vor Ai-ning-po, bei Pu-peng“, 2500 m, 21 August 1913, Limpricht 851 (holotype WRSL, n. v.; isotype WU).

Codonopsis macrophylla Lammers & Klein (2010: 557 & fig. 1.). Type:—Cultivated at Glasnevin Bot. Gard., Dublin, 11 August 1937, sine coll. (holotype K).

Codonopsis mairei Lé veillé (1916: 24). Type:— CHINA. Yunnan, paturages des mont. à Ta-hai, 3200 m, July 1911, E. E. Maire s. n. (holotype E).

Codonopsis efilamentosa Smith (1913: 107) . Codonopsis convolvulacea Kurz var. efilamentosa (W. W. Smith) Shen & Hong (1983: 69) . Type:— CHINA. Yunnan, the eastern flank of the Lichiang [Lijiang] Range, 27°30′N, 3050 m, July 1910, G. Forrest 6258 (holotype E).

Codonopsis forrestii Diels var. hirsuta Tsoong & Shen in Shen et al. (1975: 55). Type:— CHINA. Sichuan, Yanyuan, 2400–2500 m, F.G. Zhu (Yanyuan) 004 (holotype WCU).

Codonopsis convolvulacea Kurz var. typica Anthony (1926: 178), nom. inval. (Art. 24.3).

Distribution:—SW China (W Guizhou, N Yunnan, SW Sichuan), N Myanmar.