Digitalis "D. grandiflora", "D. lutea" and "D. parviflora". Larvae of the foxglove pug, a moth, consume the flowers of the common foxglove for food. Other species of Lepidoptera eat the leaves, including the lesser yellow underwing. The term "digitalis" is also used for drug preparations that contain cardiac glycosides, particularly one called digoxin, extracted from various plants of this genus. The name "foxglove" was first recorded in the year 1542 by Leonhard Fuchs, whose family name, Fuchs, is the German word for "fox" (the plant genus "Fuchsia" is also named for him). The genus "digitalis" is from the Latin "digitus" (finger),
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