wall rue


noun

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

Origin of wall rue

First recorded in 1540–50

Example sentences from the Web for wall rue

British Dictionary definitions for wall rue

wall rue

noun

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