Seed morphology of Parainvolucrella scabra A ventral side B dorsal side C testa ornamentation.

 
 
  Part of: Xu Y-D, Yuan M-D, Wang R-J (2021) Morphology and molecules support the new monotypic genus Parainvolucrella (Rubiaceae) from Asia. PhytoKeys 180: 53-64. https://doi.org/10.3897/phytokeys.180.67624