Creeping woody vines with white milk and deciduous leaves; The stems are brown, the nodes are slightly enlarged and there are many adventitious roots. Leaves alternate, thick papery, ovoid or obovate, long 1.6-6 cm, wide 1-4 cm, blunt apex, nearly round or slightly asymmetrical base, wavy teeth on the edge, 3 veins, 3-4 pairs of lateral veins, green at the top and short hairs along the pulse wave at the bottom; Petiole length 1-2 cm. Flowers small, unisexual, hidden in a large inflorescence Tori; Inflorescence with short stems, clustered on short branches in soil, spherical or ovoid; Bracts 3, basal; Male peanut is located in the mouth of gall receptacle, with 2-6 perianth segments and stamens1-3 (-6); The female flower was born in another inflorescence receptacle and developed into a spore cryptoflower, solitary and spherical, with a diameter of 4-15 mm. When mature, it is reddish brown, fragrant and sweet as honey. The fruiting period is May-June.