Althaea officinalis Althaea officinalis Althaea officinalis, or marsh-mallow, is a perennial species indigenous to Europe, Western Asia, and North Africa, which is used in herbalism and as an ornamental plant. A confection made from the root since ancient Egyptian time evolved into today's marshmallow treat. The stems, which die down in the autumn, are erect , but can reach 6′6″ (2m), simple, or putting out only a few lateral branches. The leaves, shortly petioled, are roundish, ovate-cordate, long, and about 1 inch broad, entire or three to five lobed, irregularly toothed at the margin, and thick. They are soft and velvety on
Styrax officinalis spring to summer (May–June). "Styrax officinalis" subsp. "redidivus", "Styrax officinalis" subsp. "fulvescens" (both native to California) and "Styrax officinalis" subsp. "jaliscana" (native to Mexico), were included here, but recent molecular analysis has suggested that they may be diverged to the point of being separate species. This species is native to southern Europe and the Middle East. It prefers dry rocky slopes, woods and thickets at an elevation up to above sea level. This plant is the "official" source of styrax, an herbal medicine known from ancient times. Some believe its oleoresin to have been the stacte used together with frankincense,