常见例句Stems 4-angled or nearly 4-angled when young; internodes glabrous; interpetiolar stipules triangular, ligulate or ocreate. 近四稜形的莖四稜形或幼時；節間無毛；葉柄間的托葉三角形，舌狀或者具托葉鞘。(2 返回 ocreate