Euphorbia xianxialingensis (Euphorbiaceae), a New Species from Zhejiang

On July 14, 2015, a new species of Euphorbiaceae, Euphorbia xianxialingensis F.Y.Zhang, W.Y.Xie et Z.H.Chen, was discovered from Jiangshan Xianxialing Provincial Nature.It is similar to E.sieboldiana, but differs in having rhizomes slender, 1- 4 mm in diamater., stems purplish red, pubescent on middle and upper part, leaf blade (3-7) × (0.4-1.3) cm, villosus on abaxial surface, margin slightly revolute, with densely tiny serrulate, primary involucral bracts margin densely tiny serrulate, cyathophylls reniform-rounded, apex usually obtuse, margin densely tiny serrulate, glands yellow-green, 2 horns slender, needle to threadlike, pale green.