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题名: 雪胆属的系统与进化
作者: 李德铢
学位类别: 博士
答辩日期: 1990
授予单位: 中国科学院昆明植物研究所 中国科学院植物研究所
授予地点: 中国科学院昆明植物研究所 中国科学院植物研究所
导师: 吴征镒
中文摘要: 本文通过对雪胆属植物形态学、解剖学、胚胎学、孢粉学、细胞学、植物化学以及生态学和植物地理学的研究、应用表征系统学、分支系统学的方法探讨了本属的系统与进化问题。在此基础上。结合经典分类学的研究成果。拟订了本属新的属下次级区分方案。并对本属的分类学进行了初步修订。同时探讨了雪胆属植物区系的发生与发展问题。形态学和解剖学的研究表明,雪胆属是一个单系发生的自然类群。与锥形果属、绞股蓝关系较紧密而与棒锤瓜属相距较远。根据其它学科的资料和表征系统学、分支系统学的研究。结合经典分类学的研究成果。以分支系统学为特殊参考。重建了本属的属下次级区分系统。同时对本属的全部种进行了修订。新的系统包括二个亚属(1个为新亚属);第二个亚属又分为三个组(其中1个为新组)。第二、三组又分别包括四个和二个亚组。亚组级单位均为新分类单位或新等级;26种。其中新名称1个(H. chengyiana),新异名9个(H. changningensis, H. multifructus, H. pengxianensis var. polycarpa, H. jinfushanensis, H. pengxiansis var. jinfushanensis, H. xuedan, H. villosipetala, H. dolichocarpa, H. chuandianensis),新等级6个(subsect. Carnosiflora, H. obconica var. clavata, H. obconica var. grandiflora, H. sphaerocarpa subsp. megathyrsa, H. sphaerocarpa subsp. wenshanensis, H. chinensis var. longivillosa),新组合1个(M. sphaerocarpa subsp. megathyrsa var. major),省级新记录3个(H. amabilis为四川新记录。H. zhejiangensis为江西和安徽新记录。H. chinensis为贵州新记录)。
英文摘要: Through studies on external morphology, anatamy, embryology, palynology, cytology, phytochemistry, ecology and phytogeography, the systematics and evolution of Hemsleya are elucidated here. To reach the goal above mentioned, the methodologies of phenetics and cladistics are also employed. Based on these, a new infrageneric system is proposed, the taxonomic revision of the genus and the origin and development of the Hemsleya flora are also discussed, combinating with the orthodox classification. Information from external morphology and anatomy indicate Hemsleya is a natural taxon which has its own phylogenetic background. The genus is closely related to Gomphogyne and Gynostemma while Neoalsomitra is a little far away from Hemsleya. A comparison among the three is presented. Based on data from the above mentioned subjects and with special reference to cladistics, a new infrageneric system is established. Hemsleys is now treated as comprising two subgenera, one of which, Subgen. Praehemsleya, is newly described, three sections, one of which, Sect. Delavayanae, is new, six subsections, all of which are new taxa of new grades, and twenty-six species. A taxonomic revision is presented with a nomen novum, Hemsleya chengyiana for H. macrocarpa C.Y.Wu (1985), which is not H. macrocarpa (Cogn.) C.Y.Wu ex C.Jeffrey (1982), nine newly treated synonyms, H. changningensis, H. multifructus, H. pengxianensis var. polycarpa, H. jinfushanensis, H. pengxianensis var. jinfushanensis, H. xuedan, H. villosipetala, H. dolichocarpa and H. chuandianensis, six new grades, Subsect. Carnosiflorae, H. obconica var. clavata, H. obconica var. grandiflora, H. sphaerocarpa subsp. megathyrsa, H. sphaerocarpa subsp. wenshanenensis, H. chinensis var. longivillosa, a new combination, H. sphaerocarpa subsp. megathyrsa var. major, three newly recorded species for provinces, H. amabilis for Sichuan, H. zhejiangensis for Anhui and Jiangxi, H. chinensis for Guizhou.
语种: 中文
内容类型: 学位论文
URI标识: http://ir.kib.ac.cn/handle/151853/912
Appears in Collections:昆明植物所硕博研究生毕业学位论文_学位论文

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Recommended Citation:
雪胆属的系统与进化.李德铢[d].中国科学院昆明植物研究所 中国科学院植物研究所,1990.20-25
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