常見例句Stems 2-lined and ancipitous when young, soon terete; 莖幼時(shí)2線稜和2邊,不久圓柱狀。Stems 4-angled and ancipitous when young, eventually terete; 莖幼時(shí)四稜形的和二稜,最終圓柱狀;Stems 4-lined and ancipitous when young, eventually 2-lined to terete; 幼時(shí)的莖4線稜和2稜,最終2線稜到圓柱狀的;Stems 4-lined and ancipitous when young, soon 2-lined, sometimes becoming terete; 幼時(shí)莖4線稜和2稜,快2線稜,有時(shí)變得;ancipital, ancipitous 兩頭的, 兩邊的, 二角的, 扁平的 返回 ancipitous