A small delicate spleenwort (fern) which resembles rue, growing on walls and rocks in both Europe and North America and sensitive to atmospheric pollution.
卵叶铁角蕨
Asplenium ruta-muraria, family Aspleniaceae
Example sentencesExamples
Buildings, old walls and bridges can all support bats, bees and beetles, as well as lichens and mortar-loving plants such as wall rue.
The rusty back fern depends upon them for survival and walls host the polypody, spleenwort, wall rue and many others.
In the Black Country, wall rue is still found as an element of the "wall flora", thriving on lime-rich mortar in quite exposed conditions.
Look on the left for two kinds of ferns growing on the stone wall, these are the tiny wall rue and slightly larger maiden hair spleenwort.
The tiny A. ruta-muraria or wall rue is another lovely species in this genera.
In the British Isles, wall rue was considered a specific remedy for scrofula many years ago.
Definition of wall rue in US English:
wall rue
noun
A small delicate spleenwort (fern) which resembles rue, growing on walls and rocks in both Europe and North America and sensitive to atmospheric pollution.
卵叶铁角蕨
Asplenium ruta-muraria, family Aspleniaceae
Example sentencesExamples
Buildings, old walls and bridges can all support bats, bees and beetles, as well as lichens and mortar-loving plants such as wall rue.
The tiny A. ruta-muraria or wall rue is another lovely species in this genera.
In the British Isles, wall rue was considered a specific remedy for scrofula many years ago.
The rusty back fern depends upon them for survival and walls host the polypody, spleenwort, wall rue and many others.
Look on the left for two kinds of ferns growing on the stone wall, these are the tiny wall rue and slightly larger maiden hair spleenwort.
In the Black Country, wall rue is still found as an element of the "wall flora", thriving on lime-rich mortar in quite exposed conditions.