Hanoi, around point 21?02′52″ N, 105?48′05″ E, 5 m a.s.l. Introduced and cultivated rarely as ornamental herb. Perennial herb. HAL 8897 07 Aug 2006 Photos- Loc: Collector: PK Loc, NT Vinh.
Collected with the financial support from the IEBR-NYBG joined project