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Impatiens maculifera sp. nov. (Balsaminaceae) Yunnan, China
Xia, Chang-Ying; Sudhindra, R. Gadagkar; Zhao, Xin-Lei; Truong Van Do6,7; Zhu, Xiang-Yun; Qin, Ying8,9,10; Deng, Hong-Ping; Yu, Sheng-Xiang
AbstractImpatiens (Balsaminaceae) is a notoriously difficult genus to study for reasons that include small, remote and endemic areas of occurrence, and difficulty in obtaining well-dried herbarium specimens and separating and reconstructing floral parts from available dried specimens. Impatiens has also been notoriously difficult when it comes to phylogenetic resolution at the infrageneric level, but a new system with two subgenera (Impatiens and Clavicarpa) was recently proposed by Yu et al. and it has made it easier to classify newly discovered species. Impatiens maculifera, a new species of Balsaminaceae from Malipo County, Yunnan, China described here, is similar to I. parvisepala S.X. Yu & Y.T. Hou in having racemose inflorescences, four lateral sepals, clavate capsules and ellipsoid seeds, but differs in having leaves narrowly oval or with elliptic-lanceolate blades (versus obovate or obovate-lanceolate), obvious petioles (versus leaves subsessile), racemose inflorescence with 8-12 flowers (versus 6-8 flowers), flowers greenish yellow (versus yellow), lateral united petals and lower sepal with dense red spots (versus red spots absent), and dorsal petal with apparent stalk at base (versus unapparent stalk). Morphological characters and molecular phylogenetic analyses of DNA sequences from both nuclear ribosomal and plastid genes show that the new species differs distinctively from I. parvisepala. Furthermore, I. maculifera is distinguished from other Impatiens species based on morphological, micromorphological and palynological evidence, and molecular data.
KeywordBalsaminaceae Impatiens morphology phylogeny SEM species nova
Subject AreaPlant Sciences
Indexed BySCI
WOS Research AreaPlant Sciences
WOS IDWOS:000483653000006
Publication PlaceHOBOKEN
Funding OrganizationSpecial Funds for the Young Scholars of Taxonomy of the Chinese Academy of Sciences [ZSBR-004] ; National Natural Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31170177, 31770235] ; Main Direction Program of Knowledge Innovation of Chinese Academy of SciencesChinese Academy of Sciences [KSCX2-EW-Z-1]
Corresponding Author Emaildenghp@swu.edu.cn
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Southwest Univ, Chongqing Key Lab Plant Resource Conservat & Germ, Sch Life Sci, CN-400715 Chongqing, Peoples R China
2.Minist Educ, Key Lab Three Gorges Reservoir Reg Ecoenvironm, Chongqing, Peoples R China
3.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing, Peoples R China
4.Midwestern Univ, Coll Grad Studies, Glendale, AZ USA
5.Midwestern Univ, Coll Vet Med, Glendale, AZ USA
6.Beijing Qiaonyu Fdn, Beijing, Peoples R China
7.Vietnam Acad Sci & Technol, Vietnam Natl Mus Nat, Hanoi, Vietnam
8.Univ Chinese Acad Sci, Beijing, Peoples R China
9.Guangxi Inst Bot, Guilin, Guangxi Zhuang, Peoples R China
10.Chinese Acad Sci, Guilin, Peoples R China
11.Guangxi Normal Univ, Coll Life Sci, Guilin, Peoples R China
Recommended Citation
GB/T 7714
Xia, Chang-Ying,Sudhindra, R. Gadagkar,Zhao, Xin-Lei,et al. Impatiens maculifera sp. nov. (Balsaminaceae) Yunnan, China[J]. NORDIC JOURNAL OF BOTANY,2019,37(8).
APA Xia, Chang-Ying.,Sudhindra, R. Gadagkar.,Zhao, Xin-Lei.,Truong Van Do.,Zhu, Xiang-Yun.,...&Yu, Sheng-Xiang.(2019).Impatiens maculifera sp. nov. (Balsaminaceae) Yunnan, China.NORDIC JOURNAL OF BOTANY,37(8).
MLA Xia, Chang-Ying,et al."Impatiens maculifera sp. nov. (Balsaminaceae) Yunnan, China".NORDIC JOURNAL OF BOTANY 37.8(2019).
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