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| 1 | Styles 2; corolla lobes narrow (up to 2mm); calyx lobes very small; fruits ovoid, very small (2 mm); ovary 2-locular | Pentanisia schweinfurthii |
| 1 | Styles 3-5; corolla lobes wider (up to 3.5 mm); calyx lobes leaf-like; fruits black, fleshy, larger (up to 8 mm); ovary 3-5-locular | Pentanisia sykesii subsp. otomerioides |
| Home | > | List of families | > | Rubiaceae | > | Pentanisia | > | Key to species |