FLORA OF VIETNAM Begoniaceae Begonia sp Hai Phong Prov., Cat Hai District., Cat Ba Island and Cat Ba NP, , around point N 200 48′1.47′', E 106o59′54.6′', at elevation 96 m a.s.l Primary evergreen forest on limestone at elevation 90- 100 m a.s.l. Herb succulente, growing in soil of limestone . occation. Flower with tepal white, 03 June 2014, CPC 7335 , DNA sample Coll.: N.T.Hiep