中国杜鹃花科植物新记录种——埃氏越橘(英文)

童毅华<sup>1</sup>; 叶幸儿<sup>1; 2</sup>; 吴 磊<sup>3</sup>; 阮氏青香<sup>4</sup>; 夏念和<sup>1*</sup>

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中国杜鹃花科植物新记录种——埃氏越橘(英文)
童毅华¹, 叶幸儿^1,2, 吴磊³, 阮氏青香⁴, 夏念和^1*
1. 中国科学院华南植物园植物资源与可持续利用重点实验室, 广东省数字植物园重点实验室, 广州 510650, 中国;2. 中国科学院大学, 北京 100049, 中国;3. 中南林业科技大学林学院, 长沙 410004, 中国;4. 越南科学技术院生态与生物资源研究所, 河内 100803, 越南

摘要:

该文报道了国产杜鹃花科(Ericaceae)一新记录种,即埃氏越橘(Vaccinium eberhardtii Dop)。该种隶属于越橘属(Vaccinium)南烛组(Vaccinium sect. Bracteata),与同属于该组的南烛(V. bracteatum)和海岛越橘(V. wrightii)近缘,但与前者的区别在于花序梗、花梗、萼筒无毛,花冠球状坛形,药室背部明显具2个距,与后者的区别在于花梗较短,短于苞片,药室背后的距直立,长超过药管的一半。据文献记录,该种原来仅分布于越南中部和泰国,此次发现该种的分布范围可以北延至中国的广西东兴市的沿海地区,不仅丰富了越橘属分类、分布的数据,也为今后该属的分类学修订提供了新资料。凭证标本保存在中国科学院华南植物园标本馆(IBSC)和中国科学院广西植物研究所标本馆(IBK)中。

关键词: 杜鹃花科, 埃氏越橘, 中国广西

DOI：10.11931/guihaia.gxzw201709012

分类号:Q949

文章编号:1000-3142(2018)12-1595-04

Fund project:国家自然科学基金青年基金(31500167); 中国科学院东南亚生物多样性研究中心区域性国际合作项目(2016CASSEABRIQG008); 中国科学院战略优先研究计划项目(XDA13020501)[Supported by the National Natural Science Foundation for Young Scholars of China(31500167); Regional International Cooperation Program of Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences(2016CASSEABRIQG008); Strategic Priority Research Program of Chinese Academy of Sciences(XDA13020501)]。

A new record of Ericaceae from China: Vaccinium eberhardtii Dop

TONG Yihua¹, YE Xing'er^1,2, WU Lei³, NGUYEN Thi Thanh Huong⁴, XIA Nianhe^1*

1. Key Laboratory of Plant Resources Conservation and Sustainable Utilization &2.Guangdong Provincial Key Laboratory of Digital Botanical Garden, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China;3.2. University of Chinese Academy of Sciences, Beijing 100049, China;4.3. College of Forestry, Central South University of Forestry and Technology, Changsha 410004, China;5.4. Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, Hanoi 100803, Vietnam

Abstract:

Vaccinium eberhardtii Dop(Ericaceae), a species previously known only from Vietnam and Thailand, is newly recorded from China. This species belongs to Vaccinium sect. Bracteata, and it is similar to the other two members of the same section, i.e. V. bracteatum and V. wrightii. However, V. eberhardtii is different from the former in having glabrous peduncle, pedicel and calyx tube, glabrous spherical-urceolate corolla and anthers with two conspicuous spurs, and can be easily distinguished from the latter by having pedicels, shorter than bracts and the upward spurs on the back of the anther, and longer than half of the anther tube. Previously, it was reported only from Central Vietnam and Thailand. This new finding extends its distribution to the coastal areas of Dongxing City, Guangxi Zhuang Autonomous Region, South China, which adds new distribution information for this species and the future taxonomic revision of the whole genus. The vouchers are kept in the herbaria of South China Botanical Garden, Chinese Academy of Sciences(IBSC)and Guangxi Institute of Botany, Chinese Academy of Sciences(IBK).

Key words: Ericaceae, Vaccinium eberhardtii Dop, Guangxi of China