| Family | Urticaceae |
| Scientific name | Boehmeria formosana Hayata |
| Synonyms | none |
| Common name | (Japanese common name) taiwan-toriashi (タイワントリアシ, 台湾とりあし [meaning: Taiwan toriashi (meaning of toriashi is unknown)]) |
| (English common name) none | |
| Distribution | (Japan) Kyushu (Yakushima Island, Yanegashima Island), Okinawa |
| (Other nations) China, Taiwan | |
| Habitat | Mountane forest |
| Chromosomal number | n=14 |
| Description | Plants 80-150cm tall. Leaves 8-15cm long. Flowers flowering in June to October. Perennial plants. |
| Reference | Boehmeria formosana Hayata |
| Boehmeria formosana Hayata | |
| Plant growth method and composition (US Patent 4507144/1985) | |
| Note | Rare species. |
| October 2009 at Tsukuba Botanical Garden |
October 2009 at Tsukuba Botanical Garden |
October 2009 at Tsukuba Botanical Garden |
| October 2009 at Tsukuba Botanical Garden |