Crinum latifolium L. was investigated, its population is existed in Vietnam, a specific plant sample has a number of chemical components, which are differed from the other plants of the Crinum latifolium's population observed in Vietnam. In combination with the botanic morphological characters, this shows clearly that the plant sample of Crinum latifolium L. is a new variety of this species. It is named 'Trinh nu crila" - Crinum latifolium L. var. crilae Tram & Khanh, var. n.