摘要
对湖南、湖北藤本植物的分类群起源、生活习性、攀援方式、繁育系统几个方面进行系统分析。结果表明:研究区藤本种子植物60科159属784种(含变种),分别占本区种子植物的29.7%、10.8%和11.1%;在全部含藤本植物的科属中,含10个种以下的科、属分别占总科数、总属数的68.3%和89.9%;藤本种类的数量主要集中在少数几个大科或大属中,葡萄科和猕猴桃科等11个大科占有总种数的64.8%;攀援方式分为5大类,12小类,缠绕类最多,占48.7%,卷曲类23.2%,搭靠类16.5%,吸固类6.0%,混合类5.6%;两性花类67.3%,杂性花类5.1%,单性花27.5%,雌雄异株种数多于雌雄同株。
In order to understand the species diversity and ecological characteristics of seed vines in Hunan and Hubei Provinces, Origin of taxonomic units, climbing mechanics, breeding system and life habits of vines were studied. The results showed： There are 784 seed vine species, belonging to 159 genera and 60 families, which account for 11.1%, 10.8% and 29,.7 % of the whole seed plant flora in this study area, respectively. The seed vine flora composes mainly of small families and genera in this study area, the number of families （genera） with 1 - 10 vine species account for 68.3% （89.9%） of the total families （genera）. Although the seed vine species are included in many families, the majority belongs to relatively few families. Thus 64.8 % of the 784 seed vine species only belong to 11 families （Vitaceae, Actinidiaceae, Papilionaceae, Ranunculaceae, Rosaceae and so on） . The seed vine climbing mechanics are divided into 5 main types and 12 subtypes, among which twining account for 48.7%, curling 23.2%, hooking 16.5%, adhering 6.0%, mixed 5.6% . In the seed vine sexual system, the bisexual flower account for 67.3%, the polygamous flower 5.1%, the dioecism 20%, and the monoecism 7.5% .
出处
《林业科学》
EI
CAS
CSCD
北大核心
2006年第11期17-22,共6页
Scientia Silvae Sinicae
基金
国家"948"项目(200209)
湖南省自然科学基金资助项目(99JJY20025)
