Helwingia japonica

Helwingia japonica, the Japanese helwingia, is a species of "Helwingia" native to East Asia. "Helwingia japonica" is part of the genus "Helwingia" and the family Helwingiaceae.
Range.
"Helwingia japonica" is found in moist rich soil in forests and thickets in hills and low mountains at elevations of 100 - 3400 meters in Japan, Bhutan, South Korea, Myanmar, the Chinese provinces of Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Shandong, Shanxi, Sichuan, Taiwan, Yunnan, and Zhejiang.
Subspecies.
The species is divided into the following subspecies and varieties: