Corydalis(Fumariaceae), C. latilepidota, is described as new from Yunnan Province. It is related to C. pseudoadoxa C. Y. Wu & H. Chuang, differing in its semi-hyaline, trinerved scales of rhizome, leafless stem, uncrested outer petals, stamen bundle with two anthers, linear and nerveless filament, and broadly linear ovary.(2)A species of the genus Corydalis(Fumariaceae), C. hegangensis, is described as new from Heilongjiang Province. It is similar to C. glaucescens Regel, differing in its usually apically 1-5-dentate leaflets, 3-5-lobutale bracts, smaller upper petal with shorter limb and shorter spur, and narrowly and curvedly ovoid nectary.]]> 2017/10/1 18:46:41 WANG Wen-Cai 6true Thalictum (Ranunculaceae)are described as new from China:(1) Thalictrum daguanense, described from north-eastern Yunnan Province, is closely related to T. ramosum Boivin, differing from the latter in its thicker, larger and mostly ovate leaflets, shorter and slightly recurved carpel styles, and lunate achene.(2)T. latistylum, described from southern Gansu Province, is charcterized by its flattend suboblong carpel style ada-xially without stigma or any stigmatic tissue, and by this unique character can be distinguished from other chinese species of Thalictrum.(3)T. sexnervisepalum, described from central Sichuan Province, is related to T. leuconotum Franch., differing from the latter in its hairy stem and laeflets, 6-nerved sepals, some stamens with abortive anthers, puberulous ovariies, and not winged stigmas.(4)T. jilongense, described from southern Xizang Zizhiqu, is closely related to T. leuconotum Franch., differing from the latter in its ovate, acute stipels, thyrses without lateral compound monochasia, and narrowly oblong and not mucronate anthers.(5)T. spiristylum, described from northwestern Yunnan Provice,is probably related to T. leuconotum Franch., differing from the latter in its 1-nerved sepals, 4-5-staminate flower, spiraly curved style apex, and inconspicuous stigma.(6)T. zhadaense, described from south-western Xizang Zizhiqu, is related to T. foliolosum DC., differing from the latter in its acute and acutely dentate leaflets, few-branched and few-flowered thyreses, narrow-ovate sepals and narrow-oblong anthers.]]> 2017/7/2 22:58:41 WANG WenCai 5true Urtica (Urticaceae), U. chengkouensis, is described as new from Chongqing City, China. This species is related to U. dioica L., from which it differs in its stem with few stinging hairs, its mostly cordate leaf blades, its unbranched staminate and pistillate inflorescenes, and its achenes which are slightly impressed at the centre.(2)A species of the genus Pellionia(Urticaceae), P. laibinensis, is described as new from Guangxi Zhuang Autonomous Region, China. It is related to P. funingensis W. T. Wang, endemic to Southeast Yunnan Province, and from the latter differs in its stem, which is covered with spreading or antrorsely curved hairs, its long elliptic leaf blade with obliquely cuneate base, its pistillate flower with five tepals, and the one or two larger tepals of them abaxially from apex with one tubular projection.(3)A species of the genus Elatostema (Urticaceae), E. kachinense, is described as new from northern Myanmar. This species in habit is very similar to C. cuspidatum Wight, and from the latter differs in its stem node with a normal leaf and a reduced leaf, narrowly lanceolate-linear nerveless stipules, uncorniculate pistillate involucral bracts, much larger cuneate-oblong pistillate bracteoles, pistillate flower with a minute tepal, and pistil with a obovoid stigma.]]> 2017/5/31 21:28:36 WANG Wen-Cai 4true Thalictrum (Ranunculaceae)are described as new from China:(1)Thalictrum minutiflorum, described from north-eastern Guizhou Province, is related to T. ramosum Boivin, differing in its smaller leaflets, fewer stamens, and shorter narrowly linear filaments.(2)T. xinningense, described from southern Hunan Pro-vince, is related to T. javanicum Bl., differing from the latter in its narrowly linear-clavate filaments and its flower containing only 3-6 carples.(3)T. brachyandrum, described from south-eastern Henan Province, is in habit obviously similar to T. javanicum Bl., differing from the latter in its shorter stamens, filiform filaments, and flower containing only 4-6 carpels.(4)T. lasiogynum, described from northern Sichuan Province, is closely related to T. przewalskii Maxim., differing from the latter in its puberulous stem and pedicels, ciliate sepals, not mucronate anthers, and densely puberulous ovary.(5)T. xiaojinense, described from western Sichuan Province, is closely related to T. leuconotum Franch., differing from the latter in its hirtellous leaflets, narrowly linear stamen filanemts, not or minutely mucronate anthers, smaller carpels, and not winged stingmas.]]> 2017/4/20 23:46:52 WANG Wen-Cai 3true Delphinium(Ranunculaceae), D. breviscaposum W. T. Wang and D. filibracteolum W. T. Wang, are described as new from northwestern Yunnan Province. Of them, D. breviscaposum W. T. Wang is related to D. chayuense W. T. Wang, differing in three fasciculate short scapes, glabrous raceme rachis and pedicels, longer bracteoles, smaller sepals and undivided staminode limbs. And D. filibracteolum W. T. Wang is related to D. dolichocentroides W. T. Wang,differing in its flower in panicles,shorter pedicels, sepals and spurs, not appendiculate staminode claws, and glabrous carpels.]]> 2018/8/27 10:59:56 WANG Wentsai 2true 2018/8/27 10:59:56 1, QIAO Zhu¹, XIAO Dong¹, WEI Kunhua¹, ZHU Yanxia¹, ZHANG Zhanjiang¹, QIN Shuangshuang¹, XIAO Peigen¹, HUANG Luqi^2*]]> MIAO Jianhua¹, QIAO Zhu¹, XIAO Dong¹, WEI Kunhua¹, ZHU Yanxia¹, ZHANG Zhanjiang¹, QIN Shuangshuang¹, XIAO Peigen¹, HUANG Luqi^2* 1true