2074.190 Oliverella Tiegh.

Small hemisparasitic shrubs with simple hairs and a single haustorial attachment. Flowers in axillary umbels; bract saucer-shaped with well-developed foliaceous limb. Corolla 5-merous; opening unilaterally; tube short; lobes coherent above, inrolled at anthesis. Filaments thickened and inrolled above.

Derivation of name: after the British botanist Daniel Oliver, 1830-1916, who worked at Kew and was a Professor of botany at University College, London.

Worldwide: 3 species in eastern and south-central Africa.

Botswana: 1 taxon.