Pseudocodon Hong & Sun

Wang, Qiang & Hong, De-Yuan, 2015, Taxonomic revision of the genus Pseudocodon (Campanulaceae) based on character analysis and molecular phylogeny, Phytotaxa 204 (1), pp. 49-64 : 60-61

Pseudocodon Hong & Sun in Wang et al. (2014: 546).

Type: Pseudocodon convolvulaceus (Kurz) D. Y. Hong & H. Sun (= Codonopsis convolvulacea Kurz ).

Codonopsis subg. Pseudocodonopsis Komarov (1908: 102) .

Eight species, extending from SW China westwards to Nepal via N Myanmar and Bhutan.

KEY TO SPECIES

1a. Basal leaves rosulate, persistent; stems erect or ascending, rarely procumbent, never twining ................... Pseudocodon rosulatus

1b. Basal leaves absent; stems twining ................................................................................................................................................... 2

2a. Stems and leaves more or less white hirsute; leaves at least partially opposite ............................................... Pseudocodon hirsutus

2b. Stems and leaves glabrous; leaves all alternate ................................................................................................................................ 3

3a. Leaves filiform or linear, less than 0.5(–0.9) cm wide, mostly aggregated on lower part of stem; stems less than 1 m long ............ ……........... .............................................................................................................................................. Pseudocodon graminifolius

3b. Leaves cordate-ovate to linear-lanceolate, 0.4–8 cm wide, evenly distributed on stem; stems usually more than 1 m long. ......... 4

4a. Calyx lobes strongly reflexed; roots elongate, carrot-shaped; petiole 1.5–2.5 cm long, nearly as long as leaf blade ......................... ………….…………. .................................................................................................................................. .. Pseudocodon petiolatus

4b. Calyx lobes erect; roots globose or ellipsoid; petiole 0–6 cm long, much shorter than leaf blade ................................................... 5

5a. Leaf blade retroserrate, papery, each denticle with an apical spinule .................................................... Pseudocodon retroserratus

5b. Leaf blade entire, crenate, dentate or serrate, without spinule, membranous or thin papery............................................................6

6a. Leaves membranous, usually serrate or dentate, occasionally entire; calyx lobes subulate or subulate-lanceolate, 3–10 mm long, 1.5–4 mm wide, rarely to 16 mm long, 6 mm wide ………............ .................... …………………..……. Pseudocodon vinciflorus

6b. Leaves papery, rarely membranous, entire or dentate; calyx lobes subulate to ovate-lanceolate, 6–18 mm long, 2.5–10 mm wide....................................................................................................................................................................................................7

7a. Leaves dentate; corolla often with a red or dark reddish-purple ring at base........................................... Pseudocodon grey-wilsonii

7b. Leaves mostly entire; corolla without a darker ring at base ............................................................... Pseudocodon convolvulaceus