Erect herb, glandular hairy. Leaves cordate-ovate, 3-5 angled, 4-6 cm long, 5-7 cm broad. Flowers axillary, solitary or fascicled in the terminal branches. Bracts 10-12, linear. Calyx 5-lobed. Corolla pink, 2 times longer than calyx. Fruit globular; mericarps smooth, wingless.