单词 endarch 释义 endarch, a. Bot.|ndk|[f. Gr. ἔ endo- + ἀή beginning, origin.]Having a primary xylem developing outwards and a central protoxylem.1900B. D. Jackson Gloss. Bot. Terms.1902Encycl. Brit. XXV. 413/1 When..there are several protoxylem stra...