-Mazz and Paris polyphylla Smithin Rees were relatively earlier and that of Paris dunniana Levl and Paris caobangensis Y.H.Ji,H.Li&Z.

• [结果]禄劝花叶重楼、大理重楼、滇重楼和多叶重楼的花药开裂相对较早,海南重楼和高平重楼相对较晚。