GAULTHERIA, in botany: A genus of the monogynia order, belonging to the decandria class of plants; and in the natural method ranking under the 18th order, Bicornes. The exterior calyx is diphyllous, the interior quinquefid; the corolla ovate; the nectarium consists of ten subulated points. The capsule is quinquelocular, covered with the interior calyx formed in the shape of a berry.