However , the section appears to be polyphyletic , with these species early offshoots of the section Vireya .
Analysis of its DNA shows it is most closely related to R. triflorum , the two sister species have R. keiskei as the next closest relative .
The section appears to be polyphyletic , with these species early offshoots of the section Vireya .
Analysis of its DNA shows it is most closely related to R. triflorum , the two sister species have R. keiskei as the next closest relative .