Digitalis canariensis cm large flowers with short petals and noticeable upper lip and lower lip. Bird pollination was documented (island populations of "Phylloscopus"-species). The fruit is a capsule. "Digitalis canariensis" contains cardenolids (cardiac glycosids), which are toxic in the case of an overdose. Medical use is documented (primarily historic). For reasons of species conservation it is to refrain to influence wild stocks. "Digitalis canariensis" is endemic to the Canary Islands. It grows in woody areas (laurel forest, "Erica arborea"-covered woods) of Tenerife, La Gomera and La Palma. Digitalis canariensis Digitalis canariensis is a member of the genus "Digitalis". It is commonly called
Plant as rayon and acetate derived from plant cellulose. Thread used to sew cloth likewise comes in large part from cotton. Thousands of plant species are cultivated for aesthetic purposes as well as to provide shade, modify temperatures, reduce wind, abate noise, provide privacy, and prevent soil erosion. Plants are the basis of a multibillion-dollar per year tourism industry, which includes travel to historic gardens, national parks, rainforests, forests with colorful autumn leaves, and festivals such as Japan's and America's cherry blossom festivals. While some gardens are planted with food crops, many are planted for aesthetic, ornamental, or conservation purposes. Arboretums