Fayaz, F. (2011) Encyclopedia of Tropical Plants Firefly Books, New Zealand
Fischer, E. (1999) Scrophulariaceae Flore d'Afrique Centrale (Congo-Kinshasa, Rwanda & Burundi) Jardin Botanique National de Belgique, Bruxelles
Herbs, erect or creeping, spreading. Leaves opposite; lamina small, fleshy, rounded, often fragrant when crushed. Inflorescence solitary, axillary or in terminal racemes. Sepals (4or)5 free, imbricate, upper largest; corolla tubular, limb patent, conspicuously or obscurely 2-lipped, lower lip tri-lobed, upper lip bi-lobed. Fruit capsules, ovoid or globose, 2-grooved, 4-valved. Seeds numerous, minute. Worldwide: 55 species in the tropics and sub-tropics, mainly in America. DRC: 4 taxa. |
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| Species | Botanical divisions | Content |
| crenata (Beauv.) Hepper | I,III,IV,VI,VII | Description |
| egensis (Poepp.) Pennell | I,III,IV,VI | Description |
| floribunda (R. Br.) Wettst. | VII | Description, Image |
| hamiltoniana (Benth.) Wettst. var. hamiltoniana | XI | Description |