| Family | Apocynaceae (also placed in Asclepiadaceae) |
| Subfamily | Asclepiadoideae |
| Tribe | Asclepiadeae |
| Subtribe | Tylophorinae |
| Scientific name | Vincetoxicum tanakae (Maximovicz ex Franchet & Savatier) Franchet & Savatier |
| Synonyms | Tylophora tanakae Maximovicz ex Franchet & Savatier |
| Common name | (Japanese common name) tsuru-mourinka (ツルモウリンカ, 蔓茉莉花 [meaning: creeping Jasmin]) |
| (English common name) none | |
| Distribution | (Japan) Idzu Islands, Kyushu, Okinawa |
| (Other nations) none | |
| Habitat | Rock or fields near sea |
| Chromosomal number | unknown |
| Description | Plants creeping 30-100cm. Leaves 2-8cm long. Flowers pale yellow ca. 6-7mm, flowering in July to August. Vine. Perennial plants. |
| Reference | Vincetoxicum tanakae (Maxim. ex Franch. & A.Sav.) Franch. & A.Sav. |
| Morphological aspects and phylogenetic analyses of pollination systems in the Tylophora–Vincetoxicum complex (Apocynaceae-Asclepiadoideae) in Japan | |
| Further Investigation of Phenanthroindolizidine Alkalodis from Tylophora tanakae |
| July 2008 at Okinawa |
July 2008 at Okinawa |
July 2008 at Okinawa |