Euonymus chloranthoides yang is an endangered plant species which is endemic to jinyun mountain and dongwenquan of chongqing with the most favorable habitat in the forest of sinocalamus affinis ( rendie ) mclure . we made field investigations on three natural populations available presently in the whole distribution areas of e . chloranthoides 缙云卫矛( euonymuschloranthoidesyang )是重庆特有种，目前处于濒危状态，主要分布于重庆北碚区缙云山、鸡公山及渝北区的东温泉内，生境多为慈竹林。
