Isotoma petraea
| Rock isotome | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Campanulaceae |
| Genus: | Isotoma |
| Species: | I. petraea |
| Binomial name | |
| Isotoma petraea | |
Isotoma petraea, commonly known as rock isotome, is a small, herbaceous plant in the family Campanulaceae occurring in arid regions of Australia. It has single, purplish-blue flowers on smooth, slender branches from February to November.