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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. 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. Burundi: 59 genera and 174 taxa. |
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| Genus | Content |
| Afrocanthium (Bridson) Lantz & B. Bremer | |
| Agathisanthemum Klotzsch | Description |
| Aidia Lour. | Description |
| Anthospermum L. | Description |
| Belonophora Hook. f. | Description |
| Canthium Lam. | Description |
| Chassalia Comm. ex Poir. | Description |
| Cinchona L. | Description |
| Coptosperma Hook. f. | Description |
| Cordylostigma Groeninckx & Dessein | Description |
| Craterispermum Benth. | Description |
| Cremaspora Benth. | Description |
| Crossopteryx Fenzl | Description |
| Dolichopentas Kårehed & B.Bremer | |
| Edrastima Raf. | |
| Empogona Hook. f. | |
| Fadogia Schweinf. | Description |
| Galiniera Delile | Description |
| Galium L. | Description |
| Gardenia J. Ellis | Description |
| Geophila D. Don | Description |
| Hedythyrsus Bremek. | Description |
| Hymenodictyon Wall. | Description |
| Ixora L. | Description |
| Keetia E. Phillips | Description |
| Kohautia Cham. & Schltdl. | Description |
| Lasianthus Jack | Description |
| Leptactina Hook. f. | Description |
| Mitracarpus Zucc. ex Schult. & Schult.f. | Description |
| Mitrasacmopsis Jovet | Description |
| Multidentia Gilli | Description |
| Mussaenda L. | Description |
| Oldenlandia L. | Description |
| Otiophora Zucc. | Description |
| Otomeria Benth. | Description |
| Oxyanthus DC. | Description |
| Paraknoxia Bremek. | Description |
| Pauridiantha Hook. f. | Description |
| Pavetta L. | Description |
| Pentanisia Harv. | Description |
| Pentas Benth. | Description |
| Pentodon Hochst. | Description |
| Polysphaeria Hook. f. | Description |
| Psychotria L. | Description |
| Psydrax Gaertn. | Description |
| Pygmaeothamnus Robyns | Description |
| Rhodopentas Kårehed & B.Bremer | |
| Richardia L. | Description |
| Rothmannia Thunb. | Description |
| Rubia L. | Description |
| Rutidea DC. | Description |
| Rytigynia Blume | Description |
| Sabicea Aubl. | Description |
| Sericanthe Robbr. | Description |
| Spermacoce L. | Description |
| Tarenna Gaertn. | Description |
| Tricalysia A. Rich. ex DC. | Description |
| Vangueria Comm. ex Juss. | Description |
| Virectaria Bremek. | Description |
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