Arabis pycnocarpa
| Arabis pycnocarpa | |
|---|---|
 | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Brassicales |
| Family: | Brassicaceae |
| Genus: | Arabis |
| Species: | A. pycnocarpa |
| Binomial name | |
| Arabis pycnocarpa M. Hopkins | |
| Synonyms | |
|
Arabis hirsuta var. pycnocarpa | |
Arabis pycnocarpa, the slender rock cress, is a species of flowering plant in the mustard family. It is native to North America and eastern Asia, being found in rocky, calcareous areas.[1] It is a small perennial or biennial that has white flowers in the spring.
Two varieties have been named that are distinguished by pubescence differences:[2]
- Arabis pycnocarpa var. adpressipilis – native only to eastern North America
- Arabis pycnocarpa var. pycnocarpa – widespread across North America and Asia