| Family | Apocynaceae |
| Subfamily | Apocynoideae |
| Tribe | Wrightieae |
| Scientific name | Strophanthus gratus (Wallich & W. J. Hooker ex Bentham) Baillon |
| Synonyms | Roupellia grata Wallich & W. J. Hooker ex Bentham; Strophanthus gratus (Wallich & W. J. Hooker ex Bentham) Franchet |
| Common name | (English common name) cream fruit tree, climbing okeander |
| (Japanese common name) none | |
| Distribution | Cameroon, Central African Republic, Congo, Zaire, Cote D'Ivoire, Ghana, Liberia, Nigeria, Senegal, Sierra Leone |
| Reference | Strophanthus gratus (Wall. & Hook.) Baill. |
| Strophanthus gratus (Wallich & Hooker) Baillon | |
| Strophanthus |
| June 2009 at Tsukuba Botanical Garden |
July 2007 at Tsukuba Botanical Garden |
| June 2009 at Tsukuba Botanical Garden |