| 单词 | black spleenwort |
| 释义 | > as lemmasblack spleenwort black spleenwort n. either of two small ferns commonly found on rocks and walls, maidenhair spleenwort, Asplenium trichomanes, and (now more usually) the Eurasian fern A. adiantum-nigrum, which has triangular fronds with a dark base to the stem. ΚΠ 1777 S. Robson Brit. Flora 286 Asplenium Trichomanes... Black Spleenwort. English black Maidenhair. Leaves pinnate... On moist rocks and old walls. 1840 E. Newman Hist. Brit. Ferns (1844) 255 The Black Spleenwort..occurs on rocks as a native habitat. 1901 Hist. Berwickshire Naturalists' Club 17 271 In the moist crevices a profusion of Aspenium trichomanes, the black spleenwort. Nowhere have I seen more beautiful forms of this elegant fern. 1995 Guardian 5 Dec. i. 12/7 The black spleenwort (Asplenium adiantum-nigrum)..gets its name from the black stalks that can often be as long as the leafy fronds. < as lemmas |
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