Maximum Likelihood tree, based on ITS. Bootstrap values are labelled alongside each node.

 
 
  Part of: Xu Z, Tian J, Rapanarivo SHJV, Letsara R, Rakotonasolo RA, Onjalalaina GE, Hu G-W, Wang Q-F (2020) Hydrostachys flabellifera (Hydrostachyaceae), a new species from Madagascar. PhytoKeys 167: 45-56. https://doi.org/10.3897/phytokeys.167.58538