Revision of Chassalia (Rubiaceae-Rubioideae-Palicoureeae) in Borneo, with 14 new species Author Turner, Ian M. i.turner@kew.org Author Cheek, Martin Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey TW 9 3 AE, UK. Queen Mary University of London, E 1 4 NS, UK. Singapore Botanical Liaison Officer, Herbarium, Royal Botanic Gardens, Kew, Richmond, Surrey TW 9 3 AE, UK. Singapore Botanic Gardens, National Parks Board, 1 Cluny Road, Singapore 259569, Singapore. m.cheek@kew.org text European Journal of Taxonomy 2021 2021-03-09 738 1 60 http://dx.doi.org/10.5852/ejt.2021.738.1261 journal article 7783 10.5852/ejt.2021.738.1261 02cf5931-b18e-4d58-a6ff-9c7b1e37e68d 2118-9773 4594541 Chassalia curviflora (Wall.) Thwaites Enumeratio Plantarum Zeylaniae (2): 150 ( Thwaites 1859 ). – Psychotria curviflora Wall. in Roxburgh, Flora indica 2: 167 ( Roxburgh 1824 ). – Uragoga curviflora (Wall.) Kuntze, Revisio Generum Plantarum 1: 299 ( Kuntze 1891b ). – Type : MALAYSIA • Penang ; 1819; W. Jack s.n. [ EIC 8360 A]; hololectotype: K-W[K 001125306 ]!, designated at the first step by Deb & Krishna (1983: 221) and at the second step by Turner (2019: 397) . Psychotria lurida Blume, Bijdragen tot de flora van Nederlandsch Indië 16: 959 ( Blume 1826 ). – Zwaardekronia lurida (Blume) Korth., Nederlandsch Kruidkundig Archief 2 (2): 252 ( Korthals 1851 ). – Chassalia lurida (Blume) Miq. , Flora van Nederlandsch Indië 2 (2): 282 ( Miquel 1857 ). – Chassalia curviflora var. lurida (Blume) Hochr. , Candollea 5: 270 ( Hochreutiner 1934 ). – Type : JAVA • C.L. Blume 2270 ; hololectotype: L[L .2950785 ], designated by Turner (2019: 397) . Chassalia chartacea Craib , Bulletin of Miscellaneous Information , Kew 1931: 279 ( Craib 1931 ). Type : THAILAND • Surat , Yanyao ; 21 Feb. 1930 ; A.F.G. Kerr 18175 ; holotype : K [ K000761880 ]! [ K001129592 ]! (2 sheets); isotype : BM [ BM000945616 ] . For a more extensive synonymy see Turner (2019) . Distribution, habitat India to the Philippines . Lowland evergreen forest. Remarks Chassalia curviflora is taken here as a single widespread ( India to the Philippines ) and variable species. Revision of this complex was beyond the scope of the present study, and only a single entity is keyed out above for Borneo.