Chengiopanax sciadophylloides is a flowering tree in the family Araliaceae native to Japan. Previously included in the genus Eleutherococcus, it is distinguished from other members of that genus by not having spines or prickles and ITS sequence data confirmed the separation.
Chengiopanax sciadophylloides has been found to be a specific hyperaccumulator of manganese even in soils not contaminated with excessive amounts of manganese. In wild plants manganese concentrations of up to 23 grams per kilogram ...