花楸属一新种——天堂花楸  

Sorbus tiantangensis,A New Species of the Genus Sorbus L.

作　　者：刘秀梅[1] 王雷宏[1] 李小翌[1] 

机构地区：[1]安徽农业大学林学与园林学院,合肥230036

出　　处：《植物研究》2009年第2期131-133,共3页Bulletin of Botanical Research

摘　　要：本新种与黄山花楸(Sorbus amabilis Cheng ex Yü)近缘,区别在于前者羽状小叶6～7对,边缘圆钝锯齿,托叶宽披针形,花部雄蕊20枚,10长,10短,复伞房果序排列紧密,果多达160～195粒。The new species Sorbus tiantangensis X. M. Liu et C. L. Wang is closely related to the species S. amabilis Cheng ex Yti, but the former differs in its pinnate leaflets 6 - 7 pairs, margin crenato-serrate, stipule broad laneeolate,stamina in a flower 20,10 of them longer and the other 10 shorter. The ripening fruits in complex corymb are densely aggregated, the total numbers reaching up to 160 -195.

关 键 词：花楸属 天堂花楸 黄山花楸 新种 

分 类 号：Q949[生物学—植物学]