| Family | Acanthaceae |
| Scientific name | Acanthus montanus (Nees) T. Anderson |
| Synonyms | Acanthus barteri T. Anderson; Cheilopsis montana Nees |
| Common name | (English common name) bear's breeches |
| (Japanese common name) none | |
| Distribution | west tropical Africa |
| Reference | Acanthus montanus T. Anderson |
| Acanthus montanus (Bear's Breeches) |
| February 2007 at Shinjuku Gyoen National Garden |
February 2007 at Shinjuku Gyoen National Garden |
February 2007 at Shinjuku Gyoen National Garden |