Elderberry is a deciduous shrub with a height of 4 meters. The stems are borderless, much branched, grayish brown and glabrous. Leaves opposite, odd pinnate compound leaves; Leaflets are ovate, elliptic or ovate-lanceolate, the apex is acuminate, the base is broadly wedge-shaped, the edge is coarsely serrated, and both sides are hairless. Panicles are terminal, with coarse serrations on the edges and hairless on both sides. Panicle terminal, densely ovoid to oblong ovoid; Calyx bell-shaped, 5-lobed, lobes ligulate; Corolla radial, 45-lobed, lobes obovate, pale yellow; 5 stamens, inserted on the corolla, shorter than the corolla; 1 pistil, lower part of ovary, short style and bright red berries. The flowering period is April-May and the fruiting period is July-September.