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Bridson, D.M. (1998) Rubiaceae, Part 2 Flora Zambesiaca 5(2)
Bridson, D.M. & Verdcourt, B. (2003) Rubiaceae, Part 3 Flora Zambesiaca 5(3)
Verdcourt, B. (1988) Rubiaceae, Part 1 Flora Zambesiaca 5(1)
Trees, shrubs, annual or perennial herbs or climbers. Leaves simple, opposite or in whorls, entire.Stipules present, usually interpetiolar, less often intrapetiolar, entire or (in some herbaceous genera) with lobes or fimbriae. [Note that in the species of tribe Rubieae (the genera Galium, Rubia and Sherardia in Zimbabwe) the distinction between leaves and stipules breaks down and there are whorls of similar leaf-like objects.] Flowers usually bisexual, rarely unisexual (e.g. in some species of Anthospermum, Catunaregam and Canthium), actinomorphic. Calyx gamosepalous, (3-)4-5(-8)-lobed. Corolla gamopetalous, often with a long tube, (3-)4-5(-11)-lobed. Ovary inferior, of 2-5 or more carpels, usually 2. Fruit a capsule, berry or drupe. Worldwide: 630 genera and 10,200 species, cosmopolitan, but mainly tropical and warm areas. Caprivi: 20 genera and 36 taxa. |
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| Genus | Content |
| Ancylanthos Desf. | Description |
| Canthium Lam. | Description |
| Carphalea Juss. | Description |
| Cordylostigma Groeninckx & Dessein | Description |
| Crossopteryx Fenzl | Description, Image |
| Empogona Hook. f. | Image |
| Fadogia Schweinf. | Description |
| Feretia Delile | Description, Image |
| Gardenia J. Ellis | Description, Image |
| Kohautia Cham. & Schltdl. | Description, Image |
| Oldenlandia L. | Description |
| Pavetta L. | Description, Image |
| Pentodon Hochst. | Description |
| Psydrax Gaertn. | Description |
| Pygmaeothamnus Robyns | Description |
| Rytigynia Blume | Description, Image |
| Spermacoce L. | Description, Image |
| Tarenna Gaertn. | Description |
| Vangueria Comm. ex Juss. | Description, Image |
| Vangueriopsis Robyns | Description |
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