WordNet
black spleenwort
n. spleenwort of Europe and Africa and Asia having pinnate fronds and yielding an astringent [syn: Asplenium adiantum-nigrum]
Usage examples of "black spleenwort".
The Black Spleenwort is a small fern growing in rather circular masses, either on walls, where its fronds are only from 3 to 6 inches long, or on shady hedgebanks, where its oblong-triangular, evergreen fronds may attain as much as 20 inches in length.