| Family | Ranunculaceae |
| Subamily | Ranunculoideae |
| Tribe | Anemoneae |
| Scientific name | Clematis japonica Thunberg |
| Synonyms | none |
| Common name | (Japanese common name) hanshodzuru (ハンショウヅル, 半鐘蔓 [meaning: alrm bells vine]) |
| (English common name) none | |
| Distribution | (Japan) Honshu, Kyushu |
| (Other nations) none | |
| Habitat | Mountane forest |
| Chromosomal number | unknown |
| Description | Leaves palmately trifoliolate, leaflets each 3-10cm long, hairy. Flowers pedicels 6-12cm long, 4 dark purple calyx lobes each 2.5-3cm long, hairy at edge, styles ca. 3cm long, flowering in May to July. Fruits ca. 6mm long. Deciduous. Vine. Subshurb. |
| Reference | Clematis japonica Thunb. |
| May 2008 at Tsukuba Botanical Garden |
May 2008 at Tsukuba Botanical Garden |
May 2008 at Tsukuba Botanical Garden |
| May 2008 at Kyoto Botanical Garden |
May 2008 at Kyoto Botanical Garden |
May 2008 at Kyoto Botanical Garden |
| May 2008 at Kyoto Botanical Garden |