Althaea officinalis times of scarcity consequent upon the failure of the crops, this plant, which grows there in great abundance, is collected heavily as a foodstuff. The leaves, flowers and the root of "A. officinalis" (marshmallow) have been used in traditional herbal medicine. This use is reflected in the name of the genus, which comes from the Greek (""), meaning "to heal." Marshmallow was traditionally used as relief for irritation of mucous membranes, including use as a gargle for mouth and throat ulcers and gastric ulcers. The flowers and young leaves can be eaten, and are often added to salads or are
Pulmonaria officinalis pink at first, later turn to blue-purple during the anthesis, by changing the pH value inside of the petals. As a matter of fact the flowers contain a dye that belongs to the anthocyanins and change the color from red (acidic) to blue (alkaline). "Pulmonaria officinalis" is diploid and has the chromosome number 2n = 14. Flowering period extends from March through May and the seeds ripen from May to June. Pollination is granted by insects (entomophily) - mainly bees, bumblebees and butterflies - the spread of seeds over ants. The plant has been cultivated for centuries as a medicinal