VIDEO ON YOU TUBE
Tenerife.
Mount Teide.
Llano de Ucanca viewpoint.
Erysimum (wallflowers) is a genus that includes about 180 species, both popular garden plants and many wild forms. Many wallflowers are endemic to small areas, such as the Teide wallflower E. scoparium, endemic to the Teide volcano on Tenerife.
en.wikipedia.org/wiki/Erysimum
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