Abstract: ln the course of studying the flora of N.-W.Guangxi and S.-E.Yunnan,some species of Arali-aceae have been taxonomically revised. 1 new species,Brassaiopsis lianus Y.F.Deng, and 1 new vari-ety, Heteropanax fragans var. ferrugineus Y.F.Deng.ate described. 2 new combinations are made;pentapanax wilsonii(Harms )Shaang var. Plumosus (Li)Y.F.Deng and p.tomentellus var.tomentosus (Hoo)Y.F.Deng.4 names are treated for the first time as synonyms,Kalopanax ricinifolium Miq.var. pilosus Yu is reduced to the synonymy of K.septemlobus (Thunb.)Koidz.car.magnificus (Zabel) Hand.-Mazz.,Euaraliopsis emeiensis Z.Y.Zhu is reduced to Brassaiopsis ferrugineus (Li) Hoo; pen-tapanax tomentellus var. distinctus Shang is reduced to p. tomentellus var.tomentosus (Hoo)Y.F.Deng ;Aralia caesia Hand.-Mazz .var. pubescens K.M.Feng & D.D.Tao is reduced to pentapanax wilsonii (Harms)Shang var. plumosus (Li)Y.F.Deng. New geogaphical distributions of 6 species are reported: Brassaiopsis gaussenii N.S.Bui is new to Yunnan, also new to China; Macropanax pausineruis Shang is new to Yunnan;Brassaiopsis acuminata Li and Pentapanax trifoliatus Fwng are neu to Xizang.

Key words: Araliaceae, Naew combination, Nem synonym, New record

摘要： 在研究桂西北和滇东南植物区系的过程中,对五加科的部分种类进行了修订.其中包括1个新种,1个新变种,2个新组合,4个新异名.还报道了一些种的地理分布新记录.

关键词: 五加科, 刺楸属, 罗伞属, 大参属, 幌伞枫属, 羽叶参属, 新种, 新组合, 新异名, 新记录