| Family | Plantaginaceae (also placed in Scrophulariaceae; Veronicaceae) |
| Tribe | Antirrhineae |
| Scientific name | Cymbalaria muralis P. Gaertner. B. Meyer & Scherbius |
| Synonyms | Antirrhinum cymbalaria L.; Elatine cymbalaria (L.) Moench; Linaria cymbalaria (L.) Miller |
| Common name | (Japanese common name) tsuta-ba un-ran (ツタバウンラン, 蔦葉海蘭 [meaning: ivy leaved coastal orchid]) |
| (English common name) coliseum ivy, ivy-leaf toadflax, Kenilworth ivy, mother of thousands, Oxford-ivy, pennywort | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) [native] Southeastern Europe, Switzerland | |
| Habitat | Roadside, fields |
| Chromosomal number | 2n=14 |
| Description | Plants creeping 20-60cm long. Leaves 1-3cm long, 1.5-3cm wide. Flowers pale purple corollas ca. 8m, flowering in May to October. Perennial plants. |
| Reference | Cymbalaria muralis P. Gaertn. et al. |
| Cymbalaria muralis P.G. Gaertn., B. Mey. & Scherb. | |
| Expression of foreign genes using a replicating polyprotein producing virus vector (US Patent 5491076/1996) | |
| Potyvirus vectors for the expression of foreign genes (US Patent 5766885/1998) | |
| Manipulation of plant cell and tissue cultures (European Patent EP0871707) | |
| Note | Naturalized plants (introduced as garden plants). |
| April 2007 at roadside |
April 2007 at roadside |