摘要
栝楼属３１ 种和３ 变种皮的扫描电镜观察和比较显示了种皮表面特征的高度多样性，它们可分为长方网型、波浪型、蜂窝型和不规则型等，这些类型的划分能为方子组。
As seeds play important role in this genus, SEM examination on testa surface of 31 species and 3 varieties has been taken. Four types of the testa surface character have been recognized, type A: reticulate, type B:Wavy C:bee hive-shaped, type D:irregular.The testa examination supports the taxonomical subdivision based on the grass morphology, There is close affinity between sect. foliobracteola and Sect. involucraria on account they all belong to type A ad type B. Subsect. villosae and Subsect. Foliobracteola are distinguished, because the latter belong to type A and type B.The testa character also support the placement of T.truncata C.B.Clarke and T.villosa Bl. in Sect. Foliobracteola.
出处
《植物研究》
CAS
CSCD
北大核心
1999年第3期298-301,共4页
Bulletin of Botanical Research
关键词
栝楼属
种皮
扫描电镜
分类学
Trichosanthes
Seed coats
Scanning Electron Microscope (SEM)
