CCDB is a community resource. If you are aware of any missing data or if any of the counts are erroneous, please submit new counts, or report erroneous counts.
CCDB → Angiosperms → Rubiaceae → Cyanoneuron
| Taxon name | Status | Median (n) |
| Cyanoneuron cyaneum (Hallier) Tange | Accepted | 11 |
| Cyanoneuron grandiflorum Tange | Accepted | 10 |
| Cyanoneuron pubescens (Valeton) Tange | Accepted | 10 |