All Species in Sphenostemon
- Sphenostemon arfakensis (Sphenostemon arfakensis)
- Sphenostemon balansae (Sphenostemon balansae)
- Sphenostemon comptonii (Sphenostemon comptonii)
- Sphenostemon lobosporus (Sphenostemon lobosporus)
- Sphenostemon oppositifolius (Sphenostemon oppositifolius)
- Sphenostemon pachycladus (Sphenostemon pachycladus)
- Sphenostemon papuanus (Sphenostemon papuanus)
- Sphenostemon thibaudii (Sphenostemon thibaudii)
- Sphenostemon tireliae (Sphenostemon tireliae)