Resurrection of the genus Botrydium Spach(Chenopodiaceae),with a description of four new species from China,Peru and Burundi  

作　　者：Mingli Zhang Gelin Zhu 

机构地区：[1]Key Laboratory of Biogeography and Bioresource in Arid Land,Xinjiang Institute of Ecology and Geography,Chinese Academy of Sciences [2]Institute of Botany,Chinese Academy of Sciences [3]Institute of Botany,Northwest Normal University

出　　处：《Plant Diversity》2016年第6期322-329,共8页植物多样性（英文版）

基　　金：financially supported by Biodiversity Conservation Program (ZSSD-012) of Chinese Academy of Sciences;China National Key Basic Research Program (2014CB954201)

摘　　要：Based on specimens from twenty-one herbaria from China and USA,as well as observations using SEM,the genus Botrydium is resurrected as Neobotrydium.It has a number of distinctive characters:the plants are covered with granular hairs and granulated globular gland-grains,strong smell,and dichasia.Neobotrydium is removed from Chenopodium.The differences between Neobotrydium and Chenopodium,as well as circumscriptions of five glandular genera,Neobotrydium,Cycloloma,Roubieva,Ambrina,and Dysphania are discussed.Neobotrydium comprises twenty species which occur in Asia,Europe,North Africa,North America to Northwest of South America and Australia.Four new species are described:Neobotrydium corniculatum and Neobotrydium ornithopodum from China,Neobotrydium peruensis from South America,and Neobotrydium burundiensis from Africa.A diagnostic key is presented.Based on specimens from twenty-one herbaria from China and USA, as well as observations using SEM, the genus Botrydium is resurrected as Neobotrydium. It has a number of distinctive characters： the plants are covered with granular hairs and granulated globular gland-grains, strong smell, and dichasia. Neo- botrydium is removed from Chenopodium. The differences between Neobotrydiurn and Chenopodium, as well as circumscriptions of five glandular genera, Neobotrydiurn, Cycloloma, Roubieva, Arnbrina, and Dysphania are discussed. Neobotrydiurn comprises twenty species which occur in Asia, Europe, North Africa, North America to Northwest of South America and Australia. Four new species are described： Neobotrydium corniculaturn and Neobotrydium ornithopodurn from China, Neobotrydiurn peruensis from South America, and Neobotrvdium burundiensis from Africa. A diagnostic key is presented.

关 键 词：CHENOPODIACEAE Botrydium Neobotrydium New species China Peru BURUNDI 

分 类 号：Q949[生物学—植物学]