A savanna or savannah is a tropical or subtropical woodland ecosystem characterized by the trees being sufficiently small or widely spaced so that the canopy does not close, above a continuous tall grass รขโ‚ฌยฆ A savanna is a large expanse of land characterized by plains and vegetation featuring herbaceous plants, shrubs, and scattered trees. It is a transition zone between the tropical rainforest and the รขโ‚ฌยฆ

Grassy woodland) biome and ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close.