Pseudocodon Hong & Sun
Creators: name: Wang, Qiang
name: Hong, De-Yuan
Publisher: name: Zenodo
Year: 2015
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Magnoliopsida
Asterales
Campanulaceae
Pseudocodon

description: 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
description: Published as part of Wang, Qiang & Hong, De-Yuan, 2015, Taxonomic revision of the genus Pseudocodon (Campanulaceae) based on character analysis and molecular phylogeny, pp. 49-64 in Phytotaxa 204 (1) on pages 60-61, DOI: 10.11646/phytotaxa.204.1.4, http://zenodo.org/record/13638837