Until now the genus Amana(Liliaceae),known as ’East Asian tulips’,has contained just seven species.In this study,a phylogenomic and integrative taxonomic approach was used to reveal two new species,Amana nanyueensis...Until now the genus Amana(Liliaceae),known as ’East Asian tulips’,has contained just seven species.In this study,a phylogenomic and integrative taxonomic approach was used to reveal two new species,Amana nanyueensis from Central China and A.tianmuensis from East China.A.nanyueensis resembles Amana edulis in possessing a densely villous-woolly bulb tunic and two opposite bracts,but differs in its leaves and anthers.Amana tianmuensis resembles Amana erythronioides in possessing three verticillate bracts and yellow anthers,but differs in aspects of its leaves and bulbs.These four species are clearly separated from each other in principal components analysis based on morphology.Phylogenomic analyses based on plastid CDS further support the species delimitation of A.nanyueensis and A.tianmuensis and suggests they are closely related to A.edulis.Cytological analysis shows that A.nanyueensis and A tianmuensis are both diploid(2n=2x=24),different from A edulis,which is either diploid(northern populations) or tetraploid(southern populations,2n=4x=48).The pollen morphology of A.nanyueensis is similar to other Amana species(single-groove germination aperture),but A.tianmuensis is quite different because of the presence of a sulcus membrane,which creates the illusion of double grooves.Ecological niche modelling also revealed a niche differentiation between A.edulis,A.nanyueensis and A.tianmuensis.展开更多
报道了百合科老鸦瓣属药用植物安徽老鸦瓣Amana anhuiensis(X.S.Shen.)D.Y.Tan et D.Y.Hong、宝华老鸦瓣A.baohuaensis B.X.Han,Long Wang et G.Y.Lu、皖浙老鸦瓣A.wanzhensis L.Q.Huang,B.X.Han et K.Zhang的地理新分布。
10月12日,小鹏汇天在迪拜举办“陆地航母”首场国际品鉴会,首次进行“陆地航母”海外有人驾驶公开飞行I演示,发布国际新品牌“ARDGE”,li并与阿联酋A&Sons集团、卡塔尔l l Amana集团、科威特ASayer集团和阿联酋中华工商总会签订中...10月12日,小鹏汇天在迪拜举办“陆地航母”首场国际品鉴会,首次进行“陆地航母”海外有人驾驶公开飞行I演示,发布国际新品牌“ARDGE”,li并与阿联酋A&Sons集团、卡塔尔l l Amana集团、科威特ASayer集团和阿联酋中华工商总会签订中东地区首批600台飞行汽车订购协议,创下该领域海外最大批量订购纪录。小鹏汇天的“陆地航母”采取模块化设计,陆地部分为一辆智能汽车,飞行器部分为一个多旋翼飞行器。这种“可分离构型”是中国企业特有的创新思路,兼顾了汽车工业制造经验与航空安全冗余要求。在飞行演示中,飞行员驾驶飞行器沿波斯湾海岸绕飞一圈后平稳降落,并向媒体描述了其在空中看到的哈利法塔、阿拉伯塔、棕榈岛等美景。展开更多
基金supported by the National Natural Science Foundation of China (Grant No.31970225)the Zhejiang Provincial Natural Science Foundation (Grant No.LY19C030007)theNSFC-NSF Dimensions of Biodiversity Program (Grant No.31461123001)。
文摘Until now the genus Amana(Liliaceae),known as ’East Asian tulips’,has contained just seven species.In this study,a phylogenomic and integrative taxonomic approach was used to reveal two new species,Amana nanyueensis from Central China and A.tianmuensis from East China.A.nanyueensis resembles Amana edulis in possessing a densely villous-woolly bulb tunic and two opposite bracts,but differs in its leaves and anthers.Amana tianmuensis resembles Amana erythronioides in possessing three verticillate bracts and yellow anthers,but differs in aspects of its leaves and bulbs.These four species are clearly separated from each other in principal components analysis based on morphology.Phylogenomic analyses based on plastid CDS further support the species delimitation of A.nanyueensis and A.tianmuensis and suggests they are closely related to A.edulis.Cytological analysis shows that A.nanyueensis and A tianmuensis are both diploid(2n=2x=24),different from A edulis,which is either diploid(northern populations) or tetraploid(southern populations,2n=4x=48).The pollen morphology of A.nanyueensis is similar to other Amana species(single-groove germination aperture),but A.tianmuensis is quite different because of the presence of a sulcus membrane,which creates the illusion of double grooves.Ecological niche modelling also revealed a niche differentiation between A.edulis,A.nanyueensis and A.tianmuensis.
文摘报道了百合科老鸦瓣属药用植物安徽老鸦瓣Amana anhuiensis(X.S.Shen.)D.Y.Tan et D.Y.Hong、宝华老鸦瓣A.baohuaensis B.X.Han,Long Wang et G.Y.Lu、皖浙老鸦瓣A.wanzhensis L.Q.Huang,B.X.Han et K.Zhang的地理新分布。
文摘10月12日,小鹏汇天在迪拜举办“陆地航母”首场国际品鉴会,首次进行“陆地航母”海外有人驾驶公开飞行I演示,发布国际新品牌“ARDGE”,li并与阿联酋A&Sons集团、卡塔尔l l Amana集团、科威特ASayer集团和阿联酋中华工商总会签订中东地区首批600台飞行汽车订购协议,创下该领域海外最大批量订购纪录。小鹏汇天的“陆地航母”采取模块化设计,陆地部分为一辆智能汽车,飞行器部分为一个多旋翼飞行器。这种“可分离构型”是中国企业特有的创新思路,兼顾了汽车工业制造经验与航空安全冗余要求。在飞行演示中,飞行员驾驶飞行器沿波斯湾海岸绕飞一圈后平稳降落,并向媒体描述了其在空中看到的哈利法塔、阿拉伯塔、棕榈岛等美景。
