Begonia xuansonensis, a new orange-flowered species of Begoniaceae from northern Vietnam

doi:10.11646/phytotaxa.510.3.5

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	Begonia xuansonensis, a new orange-flowered species of Begoniaceae from northern Vietnam
	Truong Van Do 1; Shui,Yu-Min ; Phuc Van Le 3; Hue Thu Thi Huynh 4; Kuznetsov,Andrey N.; Kuznetsova,Svetlana P.; Nuraliev,Maxim S.
	2021
发表期刊	PHYTOTAXA
ISSN	1179-3155
卷号	510 期号:3 页码:251-262
摘要	Begonia xuansonensis, a new species from northern Vietnam, is described and illustrated. The new species is characterized by reddish-orange to orange tepals, which is a rare type of flower coloration in Asian species of the genus. Begonia xuansonensis is most similar to B. lowiana, but differs from the latter by stipules 4-6 x 1.5-2 mm, orange tepals and ovary, and abaxially densely red setose inner tepals of staminate and pistillate flowers. The new species also shows similarity with B. cathayana, differing in stipules 4-6 mm long, uniformly dark green adaxial side of leaf blade, abaxially densely red setose inner tepals of a staminate flower and three styles in a pistillate flower. Begonia xuansonensis is tentatively assigned to B. sect. Platycentrum on the basis of actinomorphic androecium, apically rounded anthers and fruit with three unequal wings. Morphological description and detailed photographs of the new species are provided, accompanied by information on its ecology, provisional conservation status, and a taxonomic comparison with similar species.
关键词	eastern Indochina karst plant diversity section Platycentrum Southeast Asia Xuan Son National Park SECT. PETERMANNIA L. BEGONIACEAE SARAWAK PLATYCENTRUM
DOI	10.11646/phytotaxa.510.3.5
WOS记录号	WOS:000677521200001
引用统计	被引频次：5[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/73716
专题	中国科学院昆明植物研究所
作者单位	1.Vietnam Acad Sci & Technol, Vietnam Natl Museum Nat, 18 Hoang Quoc Viet Rd, Hanoi, Vietnam 2.Grad Univ Sci & Technol, Vietnam Acad Sci & Technol, 18 Hoang Quoc Viet Rd, Hanoi, Vietnam 3.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China 4.Thai Nguyen Univ Agr & Forestry, Thai Nguyen, Vietnam 5.Vietnam Acad Sci & Technol, Inst Genome Res, 18 Hoang Quoc Viet Rd, Hanoi, Vietnam 6.Kuznetsov, Andrey N.; Kuznetsova, Svetlana P.; Nuraliev, Maxim S.] Joint Russian Viemamese Trop Sci & Technol Ctr, Hanoi, Vietnam 7.Kuznetsov, Andrey N.] Russian Acad Sci, AN Severtsov Inst Ecol & Evolut, 33 Leninsky Av, Moscow 119071, Russia 8.Nuraliev, Maxim S.] Moscow MV Lomonosov State Univ, Dept Higher Plants, Biol Fac, 1 12 Leninskie Gory, Moscow 119234, Russia
推荐引用方式 GB/T 7714	Truong Van Do,Shui,Yu-Min,Phuc Van Le,et al. Begonia xuansonensis, a new orange-flowered species of Begoniaceae from northern Vietnam[J]. PHYTOTAXA,2021,510(3):251-262.
APA	Truong Van Do.,Shui,Yu-Min.,Phuc Van Le.,Hue Thu Thi Huynh.,Kuznetsov,Andrey N..,...&Nuraliev,Maxim S..(2021).Begonia xuansonensis, a new orange-flowered species of Begoniaceae from northern Vietnam.PHYTOTAXA,510(3),251-262.
MLA	Truong Van Do,et al."Begonia xuansonensis, a new orange-flowered species of Begoniaceae from northern Vietnam".PHYTOTAXA 510.3(2021):251-262.

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