Boutique, R. (1972) Gentianaceae Flore d'Afrique Centrale (Zaire - Rwanda - Burundi) Jardin Botanique National de Belgique
Annual or perennial herbs. Leaves cauline and in a basal rosette (often not persisting). Flowers 5-merous in a lax few-many flowered cyme. Calyx 5-lobed, without basal glands; lobes sometimes winged. Corolla tube 5-lobed. Ovary 1-locular. Stigma ± capitate or 2-lobed. Capsule septicidally 2-valved. Worldwide: c. 15 species in subsaharan Africa and Madagascar DRC: 5 taxa. |
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| Species | Botanical divisions | Content |
| flexuosa Baker | XI | |
| gratissima S. Moore | XI | Description, Image |
| katangensis De Wild. subsp. katangensis [End] | XI | |
| katangensis De Wild. subsp. verdickii Boutique [End] | XI | |
| palustris Burch. subsp. transvaalensis (Gilg) I. Verd. | XI | Description, Image |