Swaziland's Flora Database:
Senegalia nigrescens (Oliv.) P.J.H.Hurter
(name current 2016)
Growth form: Tree
Found within protected areas
Swaziland abundance: frequent
Swaziland distribution: widespread
Local abundance: abundant
Description (Compton's Flora of Swaziland*):
Acacia nigrescens - Large handsome deciduous tree, hairless throughout. Old trunks bearing prominent conical knobs tipped with thorn. Stipular thorns formidable, hooked, in pairs at almost every leaf base. Leaves very different from all other species; leaflets few, roughly circular, up to 3 cm diam. Inflorescences usually in clusters on short lateral twigs, elongated, c 4 cm long X 1 cm diam; flowers close-set, white, produced before leaves. Fruits straight, flat, up to 10 cm long X 1,5 cm wide.
* Where species names have changed, these have been matched according to herbarium specimens quoted in this publication.
Included in Tree Atlas.
Culverwell, J., K.P. Braun (in prep). Mlawula Nature Reserve Annotated Flora Checklist (incomplete, unpublished)