Tetradenia riparia (Hochst.) Codd sensu lato[Agg]

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Tetradenia riparia

Photo: Bart Wursten
Vumba rd before Bunga Forest, Vumba.

Tetradenia riparia

Photo: Bart Wursten
Vumba rd before Bunga Forest, Vumba.

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Synonyms: Iboza multiflora (Benth.) E.A. Bruce
Iboza riparia (Hochst.) N.E. Br.
Common names: Chororwe (Shona) Ginger bush (English)
Frequency: Common
Status: Native
Herbaceous, deciduous shrub or small tree. Stems semi-succulent, brittle. Leaves ovate-oblong to rotund, variously covered with glandular hairs on both sides, the underside covered in whitish velvety hairs. Margins coarsely crenate-dentate. Inflorescences together forming large many-branched panicles, terminal, usually appearing when the plant is leafless. Flowers minute, pale to deep, mauve-pink or lilac, sometimes white, unisexual in different spikes within the same inflorescence.
Notes: The concept of this species has long been confusing. Many different taxa have at times been described only to become synonyms of T. riparia again when treated in other literature. In a recent publication (Phillipson & Steyn, 2008) several names were either reinstated or newly described. According to this new concept no fewer than 4 species, formerly included under T. riparia, occur in Zimbabwe, not including T. brevispicata which has always been considered distinct. Since these new concepts are very difficult, if not impossible, to distinguish in the field and all our recordings, both in the field and from herbarium specimens, have been treated as T. riparia, we have retained this aggregate species T. riparia sensu lato to hold these records.
Derivation of specific name: riparia: of riverbanks, although certainly not restricted to that habitat.
Habitat: At margins of evergreen forest, often in rocky terrain or near water.
Altitude range: (metres) 1040 - 1740 m
Flowering time:May - Aug
Worldwide distribution: Malawi, Mozambique, Zimbabwe, Namibia, Eswatini and Limpopo, Mpumalanga, KwaZulu-Natal, South Africa.
Zimbabwe distribution: N,W,C,E,S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Baumann, G. (2005). Photographic Guide to Wildflowers of Malawi Wildlife and Environmental Society of Malawi Pages 156 - 157. (Includes a picture).

Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 192. (Includes a picture).

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 55.

Coates Palgrave, K. (revised and updated by Meg Coates Palgrave) (2002). Trees of Southern Africa 3rd edition. Struik, South Africa Page 994.

Coates Palgrave, M. (1989). Guide to the trees and shrubs of the Mukuvisi Woodlands ?publisher. Page 29.

Codd, L.E. (1983). The genus Tetradenia Benth. (Lamiaceae) I. African species Bothalia 14(2) Pages 181 - 183. as Tetradenia riparia sensu lato (Includes a picture).

Drummond, R.B. (1975). A list of trees, shrubs and woody climbers indigenous or naturalised in Rhodesia. Kirkia 10(1) Page 272. As Iboza multiflora and Iboza riparia

Fabian, A. & Germishuizen, G. (1997). Wild Flowers of Northern South Africa. Fernwood Press, Vlaeburg. Pages 350 - 351. (Includes a picture).

Kirby, G. (2013). Wild Flowers of Southeast Botswana Struik Nature, Cape Town South Africa Page 319. (Includes a picture).

Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 57.

Phillipson, P.B. & Steyn, C.F. (2008). Tetradenia (Lamiaceae) in Africa: new species and new combinations Adansonia series 3 30(1) Pages 190 - 192. as Tetradenia riparia sensu stricto

Schmidt, E., Lötter, M. & McCleland, W. (2002). Trees and shrubs of Mpumalanga and Kruger National Park Jacana, Johannesburg, South Africa Pages 590 - 591. (Includes a picture).

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 79.

Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 115.

Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 93. As Tetradenia riparia sensu lato

Other sources of information about Tetradenia riparia:

Our websites:

Flora of Botswana: Tetradenia riparia
Flora of Malawi: Tetradenia riparia
Flora of Mozambique: Tetradenia riparia
Flora of Zambia: Tetradenia riparia

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Zimbabwe: Species information: Tetradenia riparia.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=149530, retrieved 21 April 2024

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