老挝植物-新记录属-泽薹草属（泽泻科）.pdfVIP

热带亚热带植物学报　2014， 22(5)： 447 ~ 449 Journal of Tropical and Subtropical Botany 老挝植物一新记录属——泽薹草属(泽泻科) 周卓1, ONEVILAY Souliya1,2, 邓涛1,3, 谭运洪4, 孙航1* (1. 中国科学院昆明植物研究所东亚植物多样性与生物地理学重点实验室，昆明 650201; 2. Ministry of Health, Traditional Medicine Research Center, Vientiane, Laos; 3. 中国科学院大学，北京100049； 4. 中国科学院西双版纳热带植物园，云南 勐腊666303) 摘 要 ： 首次报道老挝泽泻科(Alismataceae)一新记录属——泽薹草属(Caldesia)，及新记录种——宽叶泽薹草(Caldesia grandis)。 宽叶泽薹草为旧世界广布属泽薹草属中唯一叶宽大于叶长的物种，原记载分布在中国、孟加拉国、印度和马来西亚。同时，还提 供了宽叶泽薹草的描述和其原生境图片。 关键词： 泽薹草属； 宽叶泽薹草； 老挝； 泽泻科； 新记录 doi: 10.3969/j.issn.1005–3395.2014.05.003 Caldesia Parl., A New Record Genus of Alismataceae to Laos ZHOU Zhuo1, ONEVILAY Souliya1,2, DENG Tao1,3, TAN Yun-hong4, SUN Hang1* (1. Key Laboratory for Plant Diversity and Biogeography of East Asia, Chinese Academy of Sciences, Kunming 650201, China; 2. Ministry of Health, Traditional Medicine Research Center, Vientiane, Laos; 3. University of Chinese Academy of Sciences, Beijing 100049, China; 4. Xishuangbanna Tropical Botanic Garden, Chinese Academy of Sciences, Mengla 666303, China) Abstract: Caldesia Parl. and C. grandis Sam. are reported as new records from central Laos. Caldesia grandis, the only species with leaves of which length shorter than width in the Old World wide-spread genus Caldesia, is originally recorded in China, Bangladesh, India and Malaysia. The description and photos in natural habitats of the species are here provided. Key words: Caldesia; Caldesia grandis; Laos; Alismataceae; New record Alismataceae (s. str., excluding Limnocharitaceae) Alismataceae s. str. to the country. is an aquatic or semi-aquatic herb family containing Caldesia is a small genus consisting of three[3] to [1–2] 12 genera and ca. 80 species . The family has a four[1,5] species. The genus is palaeotropical-temperate, subcosmopolitan distribution, but mainly occurs distributed in Europe, Asia, Africa and Australia[3,5]. in swamps and wetlands of temperate and tropical