| Family | Apocynaceae (also placed in Asclepiadaceae) |
| Subfamily | Asclepiadoideae |
| Tribe | Asclepiadeae |
| Subtribe | Tylophorinae |
| Scientific name | Vincetoxicum izuense T. Yamashiro, J. Yokoyama & M. Miki |
| Synonyms | none |
| Common name | (Japanese common name) izu-kamome-duru (イズカモメヅル or イズカモメズル, 伊豆鴎蔓 [meaning: Izu Peninsula seagull vine]) |
| (English common name) none | |
| Distribution | (Japan) Honshu (Izu Peninsula) |
| (Other nations) none | |
| Habitat | Seaside |
| Chromosomal number | unknown |
| Description | Flowers purple, flowering in June to July. Vine. Perennial plants. |
| Reference | Two new species of Vincetoxicum |
| June 2007 at Tsukuba Botanical Garden |
June 2007 at Tsukuba Botanical Garden |
June 2007 at Tsukuba Botanical Garden |
| October 2008 at Tsukuba Botanical Garden |