A low shrub, up to approximately 3 feet tall. Bark initially green and later developing shallow splits and turning brown. Leaves alternate, simple, 2 to 4 inches long, ovate, with a serrate margin, sunken veins, pubescent below. Flower white, growing in dense rounded panicles, found in leaf axils, appearing in mid to late summer. Fruit dry rounded capsules with 3 lobes.
To treat fevers and problems of the mucous membranes such as catarrh and sore throats (root, root bark); for asthma, bronchitis and coughs (root); in the treatment of bronchial complaints including asthma and whooping cough, dysentery, sore throats, tonsillitis, haemorrhoids etc (plant); for cancer and venereal sores (bark)