2. Pseudocodon vinciflorus (Kom.) Hong in Wang et al. (2014: 548).

Codonopsis vinciflora Komarov (1908: 103) . Codonopsis convolvulacea var. vinciflora (Kom.) Shen & Hong (1983: 68) .

Codonopsis convolvulacea subsp. vinciflora (Kom.) Hong (1985: 582) .

Type:— CHINA. “Se-czuan [Sichuan] inter Va-sy-kou et Za-li in valle fl. Siao-tzin-che”, 15 July 1893, G. N. Potanin s. n. (lectotype LE n. v., here designated) .

Distribution:—Endemic to SW China: W Sichuan, C & SE Tibet, NW Yunnan.

Key to subspecies

1. Calyx lobes 3–7 mm long, 1.5–3 mm wide; leaf blade 1.5–4 cm long, 0.3–2 cm wide ..................................................................... .................................................................................................................................... 2a. Pseudocodon vinciflorus subsp. vinciflorus

+ Calyx lobes 8–16 mm long, 3–6 mm wide; leaf blade 3–9.5 cm long, 0.7–3.3 cm wide .................................................................................................................................................................................................2b. Pseudocodon vinciflorus subsp. dianchuanicus