(Melastomataceae). Voucher: Swenson et al. 1479. Vietnam, Nghệ An Province, Pu Mat National Park, Con Cuông district; along trail to the top of Khe Kem waterfall, alt. 250 masl (18.96917 104.84056). Swedish Museum of Natural History expedition to Vietnam 2013, sponsored by National Geographic Global Exploration Fund Northern Europe.