epicarp citri橘红
Epicarp Woody外果皮木
walnut epicarp核桃外果皮
The epicarp of the fruit of A. trifoliata is phellem-like; the sarcocarp is suculence, and the endocarp is composed by one layer of epidermis.
内果皮由一层内表皮细胞构成。
参考来源 - 三叶木通形态解剖特征与环境因子的关系N（名词） the outermost layer of the pericarp of fruits: forms the skin of a peach or grape 外果皮