8054.000 Rhinacanthus Nees

Darbyshire, I. & Harris, T. (2006) Notes on the Genus Rhinacanthus (Acanthaceae) in Africa with a Synopsis of the R. nasutus- R. gracilis Complex and a Key to the African Members of the Genus Kew Bulletin 61(3) 401-418

Description of the genus

Perennial herbs. Leaves opposite, petiolate. Inflorescence pedunculate, usually terminal, sometimes axillary. Bracts inconspicuous, lanceolate. Calyx tube shallow; lobes 5, lanceolate. Corolla 2-lipped; tube long, narrow, much longer than lobes; upper lip ligulate, emarginate; lower 3-lobed, broad. Disk cup-shaped. Stamens 2; staminodes 0. Ovary 2-locular with 2 ovules per loculus. Fruit clavate. Seeds black, rough, tuberculate, borne on retinacula.

Worldwide: 15 species in the tropical Old World

Botswana: 2 taxa.

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Links to taxa: View: living plant images - herbarium specimen images - all images for this genus

Species	FZ divisions	Content
xerophilus A. Meeuse	SE
zambesiacus I. Darbysh.	N	Description, Image

Other sources of information about Rhinacanthus:

Our websites:

Flora of Malawi: Rhinacanthus
Flora of Mozambique: Rhinacanthus
Flora of Zambia: Rhinacanthus
Flora of Zimbabwe: Rhinacanthus

External websites:

African Plants: A Photo Guide (Senckenberg): Rhinacanthus
BHL (Biodiversity Heritage Library): Rhinacanthus
EOL (Encyclopedia of Life): Rhinacanthus
GBIF (Global Biodiversity Information Facility): Rhinacanthus
Google: Web - Images - Scholar
iNaturalist: Rhinacanthus
IPNI (International Plant Names Index): Rhinacanthus
JSTOR Plant Science: Rhinacanthus
Mansfeld World Database of Agricultural and Horticultural Crops: Rhinacanthus
Plants of the World Online: Rhinacanthus
Tropicos: Rhinacanthus
Wikipedia: Rhinacanthus