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8489.000 Rubia
Description of the genus
Perennial herbs, creeping or climbing. Stems 4-angled, brittle. Stems, leaf margins and petioles with recurved prickles, the whole plant tending to cling to clothing. Stipules similar to the leaves. Leaves (and leaf-like stipules) in whorls of 4-8, petiolate. Flowers in axillary or terminal cymes, bisexual, usually 5-merous. Calyx reduced to a rim; teeth 0, not enclosed in an involucre. Corolla rotate to ± campanulate, greenish to yellow. Ovary 2-locular with 1 ovule per loculus. Fruit fleshy, glabrous, consisting of two round, 1-seeded mericarps. Derivation of name: A name in Pliny for madder Worldwide: 60 species in the Mediterranean, Africa, temperate Asia and America Malawi: 1 taxon. |
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Links to taxa: View: living plant images - herbarium specimen images - all images for this genus
| Species | FZ divisions | Content |
| cordifolia L. subsp. conotricha (Gand.) Verdc. | N,C,S | Description, Image |
Other sources of information about Rubia:
Our websites:
Flora of Botswana: RubiaFlora of Caprivi: cultivated Rubia
Flora of Mozambique: Rubia
Flora of Zambia: Rubia
Flora of Zimbabwe: Rubia
External websites:
African Plants: A Photo Guide (Senckenberg): RubiaBHL (Biodiversity Heritage Library): Rubia
EOL (Encyclopedia of Life): Rubia
GBIF (Global Biodiversity Information Facility): Rubia
Google: Web - Images - Scholar
iNaturalist: Rubia
IPNI (International Plant Names Index): Rubia
JSTOR Plant Science: Rubia
Mansfeld World Database of Agricultural and Horticultural Crops: Rubia
Plants of the World Online: Rubia
Tropicos: Rubia
Wikipedia: Rubia
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