Summary[edit] Description: Mycetia tonkinensis (= Myrioneuron tonkinense), Rubiaceae - Vietnam/Việt Nam: S Pa So, Phong Thổ (Prov. Lai Châu). Date: 21 February 2011. Source: Own work. Author: Franz Xaver. Permission(Reusing this file): GFDL, cc-by-sa.