Digitalis ferruginea Digitalis ferruginea Digitalis ferruginea, the rusty foxglove, is a species of flowering plant in the genus "Digitalis" of the family Plantaginaceae. It is native to Hungary, Romania, Turkey and the Caucasus. It is a biennial or short-lived perennial plant growing to , which forms a rosette of oblong dark green leaves and carries spikes of brown, tubular flowers in summer. The Latin specific epithet "ferruginea" means “rusty coloured”, referring to the flowers. As with all species of foxglove, all parts of this plant may cause severe discomfort and vomiting if eaten. Contact with the leaves may also cause an allergic
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