Profusion of endemic wild flowers including Shrubby scabious (Pterocephalus lasiospermus), Teide wallflower (Erysimum scoparium), Teide sticky broom (Adenocarpus viscosus) and Teide white broom (Spartocytisus supranubius) growing on the volcanic slopes of Europe's highest mountain, El Teide, Tenerife, May.