WordNet sense 1 (small semi-evergreen tree of South Africa having dense clusters of clear scarlet flowers and red seeds):

Erythrina lysistemon, Transvaal kafferboom

WordNet sense 2 (small semi-evergreen broad-spreading tree of eastern South Africa with orange-scarlet flowers and small coral-red seeds; yields a light soft wood used for fence posts or shingles):

Cape kafferboom, Erythrina caffra