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CCDB → Angiosperms → Gentianaceae → Exacum
| Taxon name | Status | Median (n) |
| Exacum affine Balf. ex Regel | Accepted | 18 |
| Exacum atropurpureum Bedd. | Accepted | 17 |
| Exacum lawii C. B. Clarke | Accepted | 28 |
| Exacum pedunculatum L. | Accepted | 28 |
| Exacum petiolare Griseb. | Accepted | 31 |
| Exacum pumilum Griseb. | Accepted | 31 |
| Exacum sessile L. | Accepted | 31 |
| Exacum tetragonum Roxb. | Accepted | 31 |
| Exacum travancoricum Bedd. | Accepted | 34 |
| Exacum wightianum Arn. | Accepted | 34 |
| Exacum folium Griseb. | Unresolved | 34 |
| Exacum courtallense | Synonym of Exacum courtallense Arn. | 34 |
| Exacum courtallense var. laxiflorum Gamble | Synonym of Exacum courtallense Arn. | 34 |
| Cotylanthera tenuis Blume | Synonym of Exacum tenue (Blume) Klack. | 16 |
| Exacum bicolor Roxb. | Synonym of Exacum tetragonum Roxb. | 31 |
| Exacum perrottetii Griseb. | Synonym of Exacum tetragonum Roxb. | 31 |
| Exacum foliosum Griseb. | Synonym of Exacum wightianum Arn. | 34 |