Grewia glandulosa Vahl

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Photo: Ton Rulkens
Coast of Pemba Bay, close to Pemba town, Cabo Delgado

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Synonyms:
Common names:
Frequency:	Locally common
Status:	Native
Description:	Shrub or small tree up to 6 m tall with young branches pubescent. Leaves ovate to ovate-oblong, 4·5–12·5 cm long, rounded or slightly cordate at the base, very sparsely pubescent or hairless on both surfaces, tertiary venation reticulate; margin finely crenate-serrate with the teeth somewhat glandular; petiole up to 10 mm long, pubescent; stipules linear, up to 8 mm long, finely pubescent. Inflorescences leaf-opposed, 2–3-flowered; peduncles 2–4 mm long, pubescent; pedicels up to 5 mm long, pubescent; bracts similar to the stipules, up to 7 mm. long. Sepals linear-oblong, 1·5–2·5 cm long, finely woolly outside, hairless inside. Petals circular, up to 10 mm in diameter,with a small claw c. 1 mm long, pinkish or purple. Ovary 4-lobed, hairy; style c. 10 mm long, hairless with broad stigma-lobes. Fruit 4-lobed, up to 2·8 cm in diameter, densely rusty hairy.
Notes:	Superficially similar to Grewia orientalis var. littoralis which is also found in coastal habitats further South in Mozambique but that taxon generally forms a low spreading shrub with almost prostrate branches and has flowers with much longer, oblong-lanceolate petals.
Derivation of specific name:	glandulosa: grandular, referring to the small glands on the margins of the leaves.
Habitat:	Confined to coastal habitats, often forming thickets.
Altitude range:
Flowering time:
Worldwide distribution:	Coastal Kenya, Tanzania, Zanzibar, northern Mozambique, Mauritius and Madagascar.
Mozambique distribution:	N
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 31 December 2019
Literature:	Burrows, J.E., Burrows, S.M., Lötter, M.C. & Schmidt, E. (2018). Trees and Shrubs Mozambique Publishing Print Matters (Pty), Cape Town. Page 581. (Includes a picture). Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 114. Dale, I.R. & Greenway, P.J. (1961). Kenya Trees & Shrubs Government of the Colony and Protectorate of Kenya Pages 565 - 566. Wild, H. (1963). Tiliaceae Flora Zambesiaca 2(1) Pages 60 - 61.

Other sources of information about Grewia glandulosa:

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Flora of Zimbabwe: cultivated Grewia glandulosa

External websites:

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