西藏东南部发现桐庐铁线莲

王文采

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西藏东南部发现桐庐铁线莲
王文采
中国科学院植物研究所系统与进化植物学国家重点实验室, 北京 100093

摘要:

毛茛科的桐庐铁线莲(Clematis tongluensis)原知分布于尼泊尔、不丹、印度东北部和孟加拉,2019年夏天在中国西藏东南部被发现。桐庐铁线链与绣球腾(Clematis montana)在亲缘关系上接近,两者的区别在于桐庐铁线莲的萼片呈长圆形,顶端尾状渐尖和表面被毛,背面无毛。

关键词: 毛茛科, 铁线莲属, 桐庐铁线莲, 西藏

DOI：10.11931/guihaia.gxzw201911040

分类号:Q949

文章编号:1000-3142(2021)01-0001

Fund project:中国科学院植物研究所资助王文采院士科研活动经费项目(110100PZ07)[Supported by the Fund for WANG Wen-tsai Academician Scientific Research of Institute of Botany, Chinese Academy of Sciences(110100PZ07)]。

Discovery of Clematis tongluensis(Ranunculaceae)from Southeast Tibet of China

WANG Wen-tsai

State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China

Abstract:

Clematis tongluensis, a species distributed in Nepal, Bhutan, Northeast Indida and Bangladesh, was discovered this summer from Southeast Tibet Autonomous Region of China. This species is related to Clemateis montana Buch.-Ham. ex DC., differing from the latter in its oblong sepals caudate-acuminate at apex and hairy adaxially, glabrous abaxially. In C. montana, the sepals are obovate, at apex rounded, and glabrous adaxially, puberulous abaxially.

Key words: Ranunculaceae, Clematis, Clematis tongluensis, Tibet of China