FLORISTIC STUDY OF YUNNAN PROVINCE

摘要

＜正＞ Yunnan is a province rich in flora.There are about 13,000 species of 1,984genera among 240 families（230 families of Angiospermae according to Hutchin-son’s system and 10 families of Gymnospermae）in Yunnan.The number offamily in Yunnan is about 79.73％ of 301 families in China,the number of genera64.88％ of 3,058 genera in China,and the number of species 52％ of 25,000species in China.The four very big families such as Orchidaceae,Compositae,