Grewia retinervis Burret

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Grewia retinervis

Habit
Kalahari woodland
Sioma, Sioma District
Dec 2023
Photo: Nick Wightman

Grewia retinervis

Leaves
Kalahari woodland
Sioma, Sioma District
Dec 2023
Photo: Nick Wightman

Grewia retinervis

Flowers
Kalahari woodland
Sioma, Sioma District
Dec 2023
Photo: Nick Wightman

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Synonyms: Grewia deserticola Ulbr.
Vincentia retinervis (Burret) Burret
Common names:
Frequency: Locally common
Status: Native
Description:
Small shrub 1–2 m. tall, usually branching low down; young sterns brownish-pubescent or glabrescent; leaf-lamina 2–5 × 1–2.75 cm, elliptic-oblong, acute or rounded at the apex, with margins serrate, rounded at the base, sparsely pubescent above or glabrous; nerves reticulate on both sides, slightly pubescent below; petiole 1–3 mm long, pubescent; inflorescences all axillary; peduncles 3–6 mm long, pubescent; pedicels 2–3 together, 2–4 mm long, pubescent; sepals 6–8 × 1 mm, strap-shaped, appressed-pubescent outside, glabrous within; petals yellow, 5–7 × 1.5 mm., narrowly oblong or strap-shaped; fruit shining, reddish-brown, c. 8 mm across, globose, never lobed, minutely and sparsely stellate-pubescent.
Type location:
Angola
Notes: This species has sometimes been treated as a form of G. flavescens Juss.; however in G. retinervis, plants are always small shrubs, the fruits are always 1-lobed and the older stems never 4-angled or grooved separates the two species.
Derivation of specific name: retinervis: with a network of veins, in reference to the reticulate veining on both the upper and lower leaf surfaces.
Habitat: Open woodland, common on Kalahari Sand formations
Altitude range:
Flowering time:Dec - Apr
Worldwide distribution: Angola, Zambia, Botswana, Namibia (Caprivi Strip), Zimbabwe and South Africa (Cape & Northern Provinces)
Zambian distribution (Flora Zambesiaca): B,S
Zambian distribution (Provinces): S,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: Wednesday 10 April 2024
Literature:

Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 19.

Curtis, B.A. & Mannheimer, C.A. (2005). Tree Atlas of Namibia National Botanic Research Institute, Windhoek Pages 436 - 437. (Includes a picture).

Drummond, R.B. (1975). A list of trees, shrubs and woody climbers indigenous or naturalised in Rhodesia. Kirkia 10(1) Page 258.

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 81.

Roodt, V. (1998). Trees and Shrubs of the Okavango Delta Shell Field Guide Series: Part I Shell Oil Botswana, Gaberone. Pages 82 - 83. (Includes a picture).

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 109.

Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 227.

Wild, H. (1963). Tiliaceae Flora Zambesiaca 2(1) Pages 45 - 46.

Other sources of information about Grewia retinervis:

Our websites:

Flora of Botswana: Grewia retinervis
Flora of Caprivi: Grewia retinervis
Flora of Zimbabwe: Grewia retinervis

External websites:

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


Copyright: Mike Bingham, Annette Willemen, Nicholas Wightman, Bart Wursten, Petra Ballings and Mark Hyde, 2011-24

Bingham, M.G., Willemen, A., Wightman, N., Wursten, B.T., Ballings, P. and Hyde, M.A. (2024). Flora of Zambia: Species information: Grewia retinervis.
https://www.zambiaflora.com/speciesdata/species.php?species_id=138580, retrieved 30 October 2024

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