Rytigynia orbicularis (K.Schum.) Robyns

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Rytigynia orbicularis

Feb 1999
Photo: Mike Bingham

Rytigynia orbicularis

Feb 1999
Photo: Mike Bingham

Rytigynia orbicularis

Kataba Local Forest
Mar 1996
Photo: D.K.Harder

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Synonyms: Canthium orbiculare K. Schum.
Plectronia orbicularis K. Schum.
Common names:
Frequency: restricted distribution
Status: Native
Shrub or subshrub 0.6-1.2 m tall, with numerous, much branched stems, without hairs. Leaves glaucous, ovate to round, almost as broad as long, petiole 1-5 mm long. The leaf pair often folded, enclosing the developing fruit. Flowers solitary, fruit up to 8 x 10 mm, with 1-3 pyrenes.
Type location:
Notes: Conservation status: Restricted distribution but habitat not threatened. Lower risk.
Derivation of specific name: Orbiculare: round, presumably referring to the leaf shape.
Habitat: Kalahari woodland, thicket margins and fallow scrubland.
Altitude range:
Flowering time:
Worldwide distribution: Zambia, Angola
Zambian distribution (Flora Zambesiaca): B,W
Zambian distribution (Provinces): Nw,W
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Tuesday 20 September 2016

Bridson, D.M. (1998). Rubiaceae, Part 2 Flora Zambesiaca 5(2) Page 289.

Other sources of information about Rytigynia orbicularis:

Our websites:

Flora of Caprivi: cultivated Rytigynia orbicularis

External websites:

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

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-23

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2023). Flora of Zambia: Species information: Rytigynia orbicularis.
https://www.zambiaflora.com/speciesdata/species.php?species_id=202570, retrieved 29 November 2023

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