Perilimnastes dongchauensis (tribe Sonerileae, Melastomataceae), a new species from Quang Trị province, Vietnam. - Huu Nguyen, Cuong; Duong, Nam Van; Bui, Doi The; Tran, Hung The; Bach, Hai Thanh; Phan, Quyet Thanh; Le, Vu Khanh; Nguyen, Duong Tuan; Nuraliev, Maxim S.; Averyanov, Leonid V.; Lin, Che Wei (PhytoKeys, 2026)