关键词: 金丝桃科, 四数金丝桃, 三腺金丝桃属

Abstract: In this paper, the author has reported two genera of Hypericaceae formerly unrecorded in Yunnan provincc. These genera are Ascyrum L.and Triadenum Raf. The former genus is characterized by the 4-merous tepals, The largwe outer sepals and persistent petals.It is represented by Ascyrum filicaule Dyer, Which is a dwarf slender p1ant inhabiting in the mountains NW-Yunnan at altitude 3000-390O m. The latter genus is characterized by the 9 stamens uniting in 3 fascicles and alternating with 3 sterile fascicles,as well as the white or pinkish petals.

Key words: recorded , genera, hypericaceae, province