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热带亚热带植物学报网络开通

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云南哀牢山地区种子植物区系研究
闫丽春1, 施济普1, 朱华1, 彭华2, 刘玉洪1, 王洪1
1.中国科学院西双版纳热带植物园;2.中国科学院昆明植物研究所
摘要:  依据采集的4 000余份标本及馆藏标本的整理和鉴定,云南哀牢山地区有野生种子植物199科945属2 238种215变种(亚种)。植物种类十分丰富,是云南植物多样性最为丰富的地区之一。种子植物区系总体上是亚热带性质, 其热带科占70.47%,热带属占63.89%,热带成分虽多于温带成份,但相当数量温带成分的存在反映了该区系具有从热带向温带的过渡性质。该植物区系缺少典型热带成分,但具有不少东亚特征科属。因此,该植物区系在区划上仍属于东亚区中国-喜马拉雅植物亚区,云南高原地区,属于东亚植物区系的一部分。
关键词:  哀牢山地区  种子植物区系  分布区类型
DOI:10.3969/j.issn.1005-3395.2009.3.2192
分类号:
基金项目:国家自然科学基金项目(30770158,30570128)
The Studies on Floristics of Seed Plants in Ailaoshan Region, Yunnan, China
YAN Li-chun1, SHI Ji-pu1, ZHU Hua1, PENG Hua2, LIU Yu-hong1, WANG Hong1
1.Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences;2.Kunming Institute of Botany, Chinese Academy of Sciences
Abstract:  Ailaoshan Nature Reserve is located in the centre Yunnan Plataeu (23°36′~24°56′N,100°44′~101°30′E) with area about 677 km2 and altitude from 422 to 3 165.9 m, and involve three prefectures and six counties of Yunnan Province. On the basis of more than 4 000 seed plants specimens collected at the core area of Ailaoshan Nature Reserve and other regions nearby and 10 000 information obtained from the main herbaria of China, the floristic characteristics of seed plants of Ailaoshan Nature Reserve were studied. There were 2 453 native species (including subspecies) of seed plants belonging to 199 families and 945 genera in Ailaoshan region. The flora was Subtropical in nature basically with transition from Tropical Asia to Temperate East Asia. At family level, 105 families, accounted for 70.47% of the total families were Tropical distribution. At generic level, Tropical elements contributed to 63.89% of the total flora. The flora was lack of typical Tropical elements, but had many East Asiatic families and genera. The flora belongs to the Yunnan Plateau Region of Sino-Himalayan Subkingdom, East Asiatic Kingdom in floristic regionalization.
Key words:  Ailaoshan Region  Seed plants  Flora  Areal-type

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