4966.000 Grewia L.

Description of the genus

Small trees or shrubs, sometimes scrambling or climbing. Stipules lateral. Leaves petiolate, alternate, simple, serrate or rarely entire, 3-7-veined from the base. Flowers in terminal or axillary panicles or in leaf-opposed or axillary umbel-like cymes. Sepals 5, stellately hairy, coloured inside like the petals. Petals 5, most often yellow, less often white and rarely purple (Grewia occidentalis), usually with a nectar-bearing claw or gland at the base. Stamens numerous. Ovary 2-4-locular. Fruit indehiscent, without bristles, a (1-)2-4-lobed drupe with (1-)2-4 pyrenes.

Derivation of name: for Nehemiah Grew (1641-1712), British botanist and physiologist.

Worldwide: 150 species in warm parts of the Old World.

Botswana: 18 taxa.

The larvae of the following species of insect eat species of this genus:
Tagiades flesus (Clouded forester, Clouded flat)
No image yet

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

SpeciesFZ divisionsContent
avellana HiernN,SW,SEDescription, Image
bicolor Juss.N,SEDescription, Image
caffra Meisn.Description, Image
cyclopetala Wawra
falcistipula K.Schum.
flava DC.N,SW,SEDescription, Image
flavescens Juss. var. flavescens N,SW,SEDescription, Image
hexamita BurretDescription, Image
inaequilatera GarckeDescription, Image
monticola Sond.N,SEDescription, Image
olukondae SchinzN,SEDescription, Image
pachycalyx K. Schum.NDescription, Image
praecox K. Schum.
retinervis BurretN,SEDescription, Image
schinzii K. Schum.N
subspathulata N.E. Br.N,SE
tenax (Forssk.) FioriDescription, Image
villosa Willd.NDescription, Image

Other sources of information about Grewia:

Our websites:

Flora of Caprivi: Grewia
Flora of Caprivi: cultivated Grewia
Flora of Malawi: Grewia
Flora of Mozambique: Grewia
Flora of Zambia: Grewia
Flora of Zimbabwe: Grewia
Flora of Zimbabwe: cultivated Grewia

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Botswana: Genus page: Grewia.
https://www.botswanaflora.com/speciesdata/genus.php?genus_id=933, retrieved 25 April 2024

Site software last modified: 12 October 2020 10:40pm
Terms of use