| Family | Campanulaceae |
| Subfamily | Campanuloideae |
| Scientific name | Campanumoea javanica Blume subsp. japonica (Maximovicz ex Makino) D. Y. Hong |
| Synonyms | Campanumoea japonica Maximovicz; Campanumoea javanica Blume var. japonica Makino; Campanumoea maximowiczii Honda; Codonopsis javanica (Blume) Hooker f. subsp. japonica (Maximovicz ex Makino) Lammers |
| Common name | (Japanese common name) tsuru-gikyou (ツルギキョウ, 蔓桔梗 [meaning: crimbing kikyo (kikyo = Platycodon grandiflorus)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Kanto region), Shikoku, Kyushu |
| (Other nations) China, Taiwan | |
| Habitat | Mountane forest edge |
| Chromosomal number | unknown |
| Description | Leaves 3-5cm long. Flowers outside pale green and inside pale pueple, calyx lobes 8-10mm long, flowering in August to October. Fruits 10mm across. Vine. Perennial plants. |
| Reference | Codonopsis javanica (Blume) Hook. f. |
| Campanumoea javanica subsp. japonica (Maxim. ex Makino) D. Y. Hong | |
| Campanumoea javanica var. japonica Maxim. ex Makino | |
| Note | Rare species. |
| September 2009 at Mt. Takao Wild Plants Garden |
September 2009 at Mt. Takao Wild Plants Garden |
| September 2009 at Mt. Takao Wild Plants Garden |