It's not quite accurate to say there are only 4 vegetation zones in Africa. Africa's diverse geography and climate give rise to a much richer variety of vegetation. Here's a more accurate breakdown:

Major Vegetation Zones in Africa:

1. Tropical Rainforest: Found in the equatorial region, characterized by dense, evergreen forests with high rainfall and biodiversity.

2. Tropical Savanna: This vast zone covers much of central and southern Africa, with grasslands interspersed with trees and experiencing distinct wet and dry seasons.

3. Desert and Semi-Desert: Covers the northern (Sahara) and southern (Namib, Kalahari) regions, with sparse vegetation, extreme temperatures, and low rainfall.

4. Mediterranean Woodlands and Shrublands: Found in the northern and southern tips of Africa, experiencing warm, dry summers and cool, wet winters.

5. Montane Forests: Found in higher elevations, especially in the East African highlands, with vegetation adapted to cooler temperatures and higher rainfall.

6. Afromontane Grasslands: Located in the higher elevations of the East African highlands, characterized by grasslands with patches of forest.

It's important to note that these vegetation zones are not completely distinct, but rather blend into one another creating a diverse mosaic of ecosystems.