Collinsonia japonica
| Collinsonia japonica | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Lamiales |
| Family: | Lamiaceae |
| Genus: | Collinsonia |
| Species: | C. japonica |
| Binomial name | |
| Collinsonia japonica (Miq.) Harley | |
| Synonyms | |
| |
Collinsonia japonica (Japanese: シモバシラ or 霜柱, shimobashira), also known as Keiskea japonica, is a white-flowered perennial plant of the Lamiaceae family native to Japan and known for the frost flowers that form on dead stems.