Trivalvaria casseabriae Y.H.Tan, S.S.Zhou & B.Yang, sp. nov. A Habitat B Branch C Flower buds (side view) D Flower (adaxial view) E Flower (abaxial view) F Flower (F1 Outer petals; F2 Inner petals; F3 Androphore). Photographed by Y.H. Tan, H.B. Ding and B. Yang.

 
 
  Part of: Yang B, Zhou S-S, Ding H-B, Li R, Maung KW, Tan Y-H (2018) Two new species of Trivalvaria (Annonaceae) from northern Myanmar. In: Jin X-H, Shui Y-M, Tan Y-H, Kang M (Eds) Plant diversity in Southeast Asia. PhytoKeys 94: 3-12. https://doi.org/10.3897/phytokeys.94.21553