Figure 1From: Origin and global diversification patterns of tropical rain forests: inferences from a complete genus-level phylogeny of palmsLineage-through-time (LTT) plots for three alternative hypothetical diversification models of tropical rain forest (TRF) evolution. (1) Decrease in diversification rates since origin with early radiation; 'ancient cradle model'; (2) constant diversification rate, 'museum model'; (3) increase in diversification rates since origin with recent radiation; 'recent cradle model'.Back to article page