Leaf area of <i>C. angustifolia</i> (A) and <i>G. spiculosa</i> (B) monthly.

<p>For each month, different letters over the bars indicate significant differences (<i>p</i>&lt;0.05) between temperature manipulations for <i>C. angustifolia</i> and precipitation manipulations for <i>G. spiculosa</i>. The letters ‘a’ and ‘b’ are for the July results, ‘c’ and ‘d’ for the August results, and ‘e’ and ‘f’ for the September results. The error bars represent means ± 1 standard error.