1	"Leaf blades hairy at least on the lower surface"	2
1	"Leaf blades glabrous on both surfaces"	3
2	"Leaves up to 10 mm long, clustered; flower clusted on short, leafy shoots; gynophores up to 3 mm long"	"Boscia minimifolia"
2	"Leaves more than 10 mm long, clearly spaced; flowers in corymbose, few flowered racemes; gynophores at least 5 mm long"	"Boscia mazzocchii"
3	"Leaves clustered on the older twigs, spaces in the shoots of the current year"	4
3	"All leaves clearly spaced"	5
4	"Stamens (5-)8(-9) with filaments 2-4 mm long; gynophores about 1-2 mm long; leaves 2-4.5 cm long, 0.7-2 cm wide"	"Boscia angustifolia"
4	"Stamens (12-)15(-25) with filaments 6-7 mm long; gynophores 3-5 mm long; leaves 3.5-6(-7) cm long, 1.5-3.5 cm wide"	"Boscia mossambicensis"
5	"Leaves and twigs strongly pruinose; sepals 5-6 mm long, waxy, glabrous except on the margins"	"Boscia pruinosa"
5	"Leaves and twigs not pruinose; sepals up to 5 mm long, thin, puberulous on the surfaces or along the margins"	6
6	"Sepals 4-5 mm long; stamens (12-)15(-25) with filaments 6-7 mm long; fruits glabrous"	"Boscia mossambicensis"
6	"Sepals 2-3 mm long; stamens 6(-7) with filaments 3-4(-5) mm long; fruits tomentose"	"Boscia coriacea"