Arbor or shrub
South China, Japan, Vietnam, India.
The whole plant reaches 2 to 15m in height.
Coreacous leaflet, elliptical or nearly obovate, 7 to 17cm in length, 3 to 6cm in length, 7 to 10 pairs lateral nerve.
Umbel, composing a large panicle; fragrant flower.
Spherical, persistent style, maturated in the next year.
Nov. to Dec.
Abuant in nectar; Root, cortex and leaf employed for rheum treatment.