Althaea officinalis boiled and fried. The root extract (halawa extract) is sometimes used as flavoring in the making of a Middle Eastern snack called "halva". The later French version of the recipe, called ' (or ' for short), included an egg white meringue and was often flavored with rose water. "" more closely resembles contemporary commercially available marshmallows, which no longer contain "Althaea officinalis". Chemical constituents include altheahexacosanyl lactone ("n"-hexacos-2-enyl-1,5-olide), 2β-hydroxycalamene (altheacalamene) and altheacoumarin glucoside (5,6-dihydroxycoumarin-5-dodecanoate-6β--glucopyranoside), along with the known phytoconstituents lauric acid, β-sitosterol and lanosterol. Althaea officinalis Althaea officinalis, or marsh-mallow, is a perennial species indigenous to Europe, Western Asia, and
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