noun
- Plural of arethusa; a genus of small orchids with pink or purple flowers, native to North America.
Usage: botanical term; often capitalized when referring to the genus
Examples
- The arethusas bloomed in the wetland during late spring.
- Botanists cataloged several arethusas in the nature preserve.
- Pink arethusas are prized by orchid collectors.
- The arethusas thrived in the acidic soil of the bog.