常见例句Stems 4-angled or nearly 4-angled when young; internodes glabrous; interpetiolar stipules triangular, ligulate or ocreate. 近四棱形的茎四棱形或幼时;节间无毛;叶柄间的托叶三角形,舌状或者具托叶鞘。(2 返回 ocreate