The waxy leaf (Breynia fruticosa) belongs to Euphorbiaceae (the Spurge family). It is a small evergreen tree that is native to southern China and the Indo-China Peninsula. This tree grows montane slopes, scrub and sunne forest edges, and it can reach 1-3 m in height. The leaves are ovate to rhombic-ovate, dark-green and arranged in alternate. The small flowers bloom in axillary clusters from April to September. The roots and leaves used as herbal medicine for inflammation of intestine and stomach, sore throat, and eczema.