Rubus lambertianus

Rubus lambertianus is a flowering plant species in the genus Rubus found in Southern China (including Hainan), Taiwan, Japan, and Thailand. Its ploidy is 2n = 4X (tetraploid). The ellagitannins lambertianin A, B, C and D can be found in R. lambertianus.

Description
Rubus lambertianus is a lianoid, semi-deciduous shrub that can grow 3 m tall. Flowers are white and 7 - 9 mm in diameter. Mature berries are red and 6 - 8 mm in diameter. In China, it occurs on slopes, roadsides, montane valleys, stony ravines, grasslands, thickets, sparse forests, and forest margins at elevations of 200 - 2500 m asl. In Taiwan it is common in thickets at medium elevations.