Question: Between Leucadendron and Anchusa, which genus has more species?

Context paragraphs:
Anchusa arvensis: Anchusa arvensis is a plant species of the genus "Anchusa".  Its common names include small bugloss and annual bugloss.  This is a hairy annual herb which may reach one half to one meter in height.  It bears small blue tubular flowers, four nutlets per flower, and one seed per nutlet.  The plant is native to Europe but is well-known elsewhere as a noxious weed .

Anchusa officinalis: Anchusa officinalis, commonly known as the common bugloss or alkanet, is a plant species in the genus "Anchusa".

Anchusa: The genus Anchusa belongs to the tribe Boragineae of the borage family (Boraginaceae).  It includes about 40 species.

Leucadendron microcephalum: Leucadendron microcephalum Gand.  & Schinz is a dioecious, single-stemmed, South African shrub belonging to the family Proteaceae, endemic to the Western Cape and growing from sea-level to 1200m.  It is one of some 200 species in the genus, all confined to South Africa.

Leucadendron: Leucadendron is a genus of about 80 species of flowering plants in the family Proteaceae, endemic to South Africa, where they are a prominent part of the fynbos ecoregion and vegetation type.

Supporting paragraphs: Leucadendron Anchusa
Answer: Leucadendron