wall rue

noun

1. a small, delicate fern, Asplenium rutamuraria, having fan-shaped leaflets and growing on walls and cliffs.

wall rue

noun

1. a delicate fern, Asplenium ruta-muraria, that grows in rocky crevices and walls in North America and Eurasia

Word History and Origins

Origin of wall rue¹

First recorded in 1540–50