山茶属金花茶组金花茶系的叶表皮特征及分类学意义

CHARACTERS OF LEAF EPIDERMIS IN SECTION CHRYSANTHA SERIES CHRYSANTHA (THEACEAE,CAMELLIA) AND THEIR SYSTEMATIC SIGNIFICANCE

用扫描电镜观察了山茶属金花茶系 2 4个分类群叶片下表皮的特征 .结果表明叶下表面角质膜特征具有一定的分类学意义 ,毛瓣金花茶、簇蕊金花茶和贵州金花茶能明显地区别于其他种 .

Epidermal features of the leaves of 24 taxon in Section Chrysantha Series Chrysantha (Theaceae,Camellia) were observed under SEM.The result suggested that the character of cuticular membrane is of certain taxonomic significance in Section Chrysantha Series Chrysantha.Camellia pubipetala,C.fascicularis and C.huana showed great diversity in epidermal features.