| Family | Ranunculaceae |
| Subamily | Ranunculoideae |
| Tribe | Anemoneae |
| Scientific name | Clematis javana de Candolle |
| Synonyms | Clematis grata auct. non Wallich; Clematis grata Wallich var. lobulata Rehder & E. H. Wilson; Clematis grata Wallich var. ryukyuensis Tamura; Clematis taiwaniana Hayata; Clematis taiwaniana Hayata var. ryukyuensis (Tamura) Tamura |
| Common name | (Japanese common name) ryukyu-botan-dzuru (リュウキュウボタンヅル or リュウキュウボタンズル, 琉球牡丹蔓 [meaning: Okinawa botan leaved vine (botan = Paeonia)]) |
| (English common name) none | |
| Distribution | (Japan) Kyushu (south of Amami Islands), Okinawa |
| (Other nations) Taiwan, Philippines, Indonesia, Papua New Guinea | |
| Habitat | Forest edge |
| Chromosomal number | unknown |
| Description | Leaves ternate, leaflets each ca. 3-8cm long, ca. 2-6cm wide. Flowers white ca. 1.5-2cm across, flowering in April to August. Vine. Subshurb. |
| Reference | Clematis javana de Candolle |
| August 2008 at Tsukuba Botanical Garden |
August 2008 at Tsukuba Botanical Garden |
August 2008 at Tsukuba Botanical Garden |
| August 2008 at Tsukuba Botanical Garden |
August 2008 at Tsukuba Botanical Garden |