Rutaceae Thai Nguyen Prov., Vo Nhai Distr., Than Sa Mun., Than Sa vill., around point 21?47′50″ N, 105?53′39″ E, 49 m a.s.l.
Scattered in secondary closed evergreen broad-leaved lowland forests on foots of limestone mountains. Small evergreen shrub, up to 3-5 m tall; flowers white. HAL 9178 28 Aug 2006 Photos: Id. by Phan Ke Loc Collectors: Phan Ke Loc, Nguyen Tien Vinh and Nguyen Sinh Khang
Collected with the financial support from NYBG, U.S.A.