Hydrostachys flabellifera (Hydrostachyaceae), a new species from Madagascar Author Xu, Zhun Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China & Sino-Africa Joint Research Center, Chinese Academy of Sciences, Wuhan 430074, China & University of Chinese Academy of Sciences, Beijing 100049, China https://orcid.org/0000-0002-7523-1693 Author Tian, Jing Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China & Sino-Africa Joint Research Center, Chinese Academy of Sciences, Wuhan 430074, China Author Rapanarivo, Solo Hery Jean Victor Departement Flore, Parc Botanique et Zoologique de Tsimbazaza, Antananarivo 101, Madagascar Author Letsara, Rokiman Departement Flore, Parc Botanique et Zoologique de Tsimbazaza, Antananarivo 101, Madagascar Author Rakotonasolo, Rivontsoa A. University of Chinese Academy of Sciences, Beijing 100049, China & Departement Flore, Parc Botanique et Zoologique de Tsimbazaza, Antananarivo 101, Madagascar & Germplasm Bank of Wild Species, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China Author Onjalalaina, Guy E. Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China & Sino-Africa Joint Research Center, Chinese Academy of Sciences, Wuhan 430074, China & University of Chinese Academy of Sciences, Beijing 100049, China Author Hu, Guang-Wan Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China & Sino-Africa Joint Research Center, Chinese Academy of Sciences, Wuhan 430074, China https://orcid.org/0000-0001-7728-7976 guangwanhu@wbgcas.cn Author Wang, Qing-Feng Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China & Sino-Africa Joint Research Center, Chinese Academy of Sciences, Wuhan 430074, China qfwang@wbgcas.cn text PhytoKeys 2020 167 45 56 http://dx.doi.org/10.3897/phytokeys.167.58538 journal article http://dx.doi.org/10.3897/phytokeys.167.58538 1314-2003-167-45 DFE5B5A4A667532AAC691D911BF6F2B6

Table 1. Taxa included in the phylogenetic analysis.

Species	Locality	Voucher	GenBank accession number
Triphyophyllum peltatum (Hutch. & Dalziel) Airy Shaw	-	TR121	HM204913
Nyssa sylvatica Marshall	-	zhangcq0088	JF977171
Nyssa wenshanensis Fang & Soong	China, Yunnan	S2007041304	JQ280761
Nyssa javanica Wangerin	-	S2007040302	JQ280777
Hydrostachys multifida A. Juss.	Madagascar, Boeny, Betsiboka	SAJIT3437	MW233025
Hydrostachys longifida H. Perrier	Madagascar, Analamanga, Antananarivo-Atsimondrano	SAJIT3442	MW233026
Hydrostachys stolonifera Baker	Madagascar, Vakinankaratra, Antanifotsy	SAJIT3446	MW233027
Hydrostachys multifida A. Juss.	Madagascar, Amoron'i Mania, Manandriana	SAJIT3453	MW233028
Hydrostachys flabellifera G.W. Hu, Zhun Xu & Q.F. Wang	Madagascar, Amoron'i Mania, Manandriana	SAJIT3462	MW233029
Hydrostachys imbricata A. Juss.	Madagascar, Vatovavy-Fitovinany, Ifanadiana	SAJIT3473	MW233030
Hydrostachys multifida A. Juss.	Madagascar, Vatovavy-Fitovinany, Ifanadiana	SAJIT3484	MW233031
Hydrostachys distichophylla var. hildebrandtii (Engl.) C. Cusset	Madagascar, Haute-Matsiatra, Iarintsena	SAJIT3490	MW233032
Hydrostachys multifida A. Juss.	Madagascar, Haute-Matsiatra, Ambalavao	SAJIT3498	MW233033