Fig. 4From: Effect of simulated warming on leaf functional traits of urban greening plantsConceptual illustration of leaf economics spectrum (developed based on Wright et al., 2004). The leaf economics spectrum has two endpoints: one is of “Quick investment-return type” with the characteristics of high chlorophyll, small specific leaf area, high leaf dry matter content, etc. While the other end is of “Slow investment-return type” with the characteristics of low chlorophyll, large specific leaf area, low leaf dry matter content, etc.Back to article page