1652 R. Pemell i. sig. C4 Take of Ammoniacum six ounces, Marsh mallow roote, and white Bryonie-root in powder, of each an ounce.
1830 A. Duncan (ed. 12) iii. xxvii. 914 Boil the water with the marshmallow root to one-half, and press out the liquor when cold.
2012 D. Rakel (ed. 3) lix. 554 Marshmallow root soothes inflates mucous membranes and stimulates immune function.