The genus Chionanthus (Oleaceae) in Cambodia, Laos and Vietnam Author Quang, Bui Hong 0000-0001-6878-7514 Department of Botany, Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet, Cau Giay, 10000 Hanoi, Vietnam. & Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18, Hoang Quoc Viet, Cau Giay, 10000 Hanoi, Vietnam. & bhquang 78 @ gmail. com; https: // orcid. org / 0000 - 0001 - 6878 - 7514 bhquang78@gmail.com Author Nuraliev, Maxim S. 0000-0001-8291-2633 Joint Russian-Vietnamese Tropical Scientific and Technological Center, Cau Giay, Hanoi, Vietnam. & Department of Higher Plants, Biological Faculty, M. V. Lomonosov Moscow State University, 1, 12, Leninskie Gory, 119234 Moscow, Russia. & max. nuraliev @ gmail. com; https: // orcid. org / 0000 - 0001 - 8291 - 2633 max.nuraliev@gmail.com text Phytotaxa 2021 2021-11-19 525 3 167 195 journal article 3406 10.11646/phytotaxa.525.3.1 d7e35f99-5731-4e46-9cc1-0b051cbe6d26 1179-3163 5712386 12. Chionanthus subcapitatus (Merr.) B.H.Quang in Bui et al. (2014: 197) . Linociera subcapitata Merrill (1942: 189) . Ho (2003: 885 , Fig. 7666), Ly (2003: 1169) . TYPE:VIETNAM . Lang Son : Mau Son massif, ca. 1200 m , January 1925 , P.A. Pételot 1720 ( holotype : A: 00063060 photo!; image of holotype : K!; isotype: VNM: 00015739!). Image of holotype available at https://kiki.huh.harvard.edu/databases/specimen_search.php?mode=details&id=23462 Literature:de Juana Clavero (2016: 15) . Etymology: —The specific epithet “ subcapitatus ” apparently refers to subcapitate inflorescences (described by Merrill, 1942 , as small depressed-globose heads of sessile or subsessile flowers), which are unique for the genus in Asia. Vernacular name: —Vietnamese: Tráng đầu.