Observations on the sex of Aleurites montana, the flowering peroid, the period of pollen receptivity of the female flowers and the germination rate of the pollen grains were carried out. Results revealed 2 different types of A.

• 本文就浙南地区实生千年桐的性别、开花物候期、花粉发芽和雌花可授期及不同授粉方式座果率进行了初步观察研究,结果表明:实生千年桐有雌株和雌雄同株之分,两者比例相近。