8285.040 Hyperacanthus E. Mey. ex Bridson

Bridson, D.M. & Verdcourt, B. (2003) Rubiaceae, Part 3 Flora Zambesiaca 5(3)

Description of the genus

Shrubs or small trees. Leaves opposite or frequently appearing fasciculate due to crowding, petiolate; stipules caducous. Flowers 5(6)-merous, borne in one axil near apex of lateral branches or brachyblasts, either solitary and sessile to shortly pedunculate or with up to 3 on a common peduncle; bracteoles paired, ovate. Calyx tube oblong-ovoid; limb well developed, tubular, divided into teeth near apex. Corolla white or often streaked with pink or red outside, salver-shaped; tube narrowly cylindric, slightly widened at apex; lobes 5(6), elliptic, overlapping to right in bud. Fruit spherical to fusiform; calyx limb persistent. Seeds numerous, embedded in fleshy placental tissue, endosperm entire, horny.

Worldwide: Two species in southern Africa and Madagascar.

Mozambique: 2 taxa.

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

SpeciesFZ divisionsContent
amoenus (Sims) BridsonMDescription, Image
microphyllus (K. Schum.) Bridson[NrEnd]N,MS,GI,MDescription

Other sources of information about Hyperacanthus:

Our websites:

Flora of Zimbabwe: Hyperacanthus

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave 2007-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Mozambique: Genus page: Hyperacanthus.
https://www.mozambiqueflora.com/speciesdata/genus.php?genus_id=1383, retrieved 28 March 2024

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