Protium hammelii. A Branch with inflorescences B Venation on the abaxial side and marginal teeth of leaflets C Fruits D Pyrene E Fruit valves F Flower G Staminate flower with two petals removed, showing the pistillode and stamens. A and B from J. Solano 77, CRC–E from J. Gómez-Laurito et al. 10998, CRF, G from W.D. Stevens 23769, CR. Drawing by Jessica Jiménez.

  Part of: Santamaría-Aguilar D, Lagomarsino LP (2017) Two new species and a new combination in Protium (Burseraceae) from Costa Rica. PhytoKeys 76: 89-113.