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 physiology plants produce a vast array of chemical compounds with unique properties which they use to cope with their environment. Pigments are used by plants to absorb or detect light, and are extracted by humans for use in dyes. Other plant products may be used for the manufacture of commercially important rubber or biofuel. Perhaps the most celebrated compounds from plants are those with pharmacological activity, such as salicylic acid from which aspirin is made, morphine, and digoxin. Drug companies spend billions of dollars each year researching plant compounds for potential medicinal benefits. Plants require some nutrients, such as carbon and