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Leguminosae
Synonyms
A. nigrescens Oliv. var. pallens Benth.; A. brosigii Harms.
Description
Tree 4 to 25 m high with trunk usually with knobby prickles.
Young branchlets smooth. Prickles on branchlets in pairs just below each
node, hooked, blackish, persistent, 2.5 to 7.0 mm long. Pinnae two to four
pair; leaflets one to two pair, 10 to 26 mm long and 7 to 22 mm wide, ovate
to elliptical. Flowers cream or white in aggregate or solitary spikes.
Pods darkish brown, dehiscent, smooth, oblong, straight, 7 to 14.5 cm long,
1.5 to 2.4 cm wide. Seeds sublenticular, 12 to 13 mm in diameter (Brennan,
1959).
Distribution
Tanzania Botswana the Transvaal and Lesotho.
Characteristics
Occurs in deciduous bushland and wooded grassland in black
soil areas, at elevations of 240 to 1 160 m. McKay (1968) showed that goats
browse this plant and are able to reduce the density of young plants 5
to 30 cm high.
Links for the genus:
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