云南乌头属系统分类的研究
杨亲二
学位类型博士
导师吴征镒
1990
学位授予单位中国科学院昆明植物研究所
学位授予地点中国科学院昆明植物研究所
摘要本文通过野外观察、栽培实验和标本检查,对云南乌头属植物主要形态性状的变异规律进行了初步分析,并开展了种子形态、细胞学、花粉学、生态与地理分布等方面的初步研究。在此基础上,对云南鸟头属植物从种类方面做了力所能及的证正。在上述工作的基础上,本文对云南乌头属进行了分类修订,共归并了15种,10变种,4变形;降级1种为变种;恢复了1个种的等级;初步澄清了短距乌头、紫乌头等种类中长期存在的名实混乱描述了4个新种和1个新变种;指出了多果乌头、茨开乌头等种类可能属于杂交类型。本文承认云南乌头属植物有43种,11变种(不含原变种),另有4种、3变种暂存疑。
其他摘要The aim of the present paper is to report the results of morphological, paly-no, logical, cytological, ecological and phytogeographical studies on the genus Aconitum L. (Ranunculaceae) from Yunnan as well as try to arrive at a more realistic, though quite tentative, taxonomic treatment. On the basis of the above Study results, the genus Aconitum from Yunnan was taxon-omically revised in the present paper 15 species, 10 varieties and 4 forms were reduced as synonyms; one species was reduced as variety; one sp[ecies once reduced to variety was restored to specfic level; 4 new species and one variety were described; the identity of A. brevicalcaratum (Finet et Gagnep.) Diels, A. delavayi Franch. was preliminarily clarified; the possible hybridity of A. polycarpum Chang ex W.T. Wang and A. souliei Finet et Gangnep. was proposed. Thus, altogether 43 species , 11 varieties of the genus Aconitum from Yunnan were eventually acknowledged in this paper. In addition, 4 species and 3 varieties were numerated as dubious taxa, which have not been recongniz ed at least by the author of this paper because of the unavailability of type specimens of these taxa.
页数305
语种中文
文献类型学位论文
条目标识符http://ir.kib.ac.cn/handle/151853/920
专题昆明植物所硕博研究生毕业学位论文
推荐引用方式
GB/T 7714
杨亲二. 云南乌头属系统分类的研究[D]. 中国科学院昆明植物研究所. 中国科学院昆明植物研究所,1990.
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