Functional Traits PFT 1
(Forbs and tender leaves shrubs)
PFT 2
(Only rosettes)
PFT 3
(Hard leaf shrubs)
Statistics
and p-value
(df= 2 for all)
Plant height 1.15 ± 0.19a 0.59 ± 0.07a 1.19 ± 0.17a Chi2 = 4.6; p = 0.103
Seed mass** 0.18 ± 0.05a 0.39 ± 0.07b 18.32 ± 11.93b Chi2 = 11.2; p = 0.004
Leaf area** 1347.7 ± 441.2a 9251.4 ± 1526.6b 571.6 ± 218.6a Chi2 = 16.1; p = 0.003
SLA*** 8.5 ± 0.6a 5.3 ± 0.8b 4.9 ± 0.4b Chi2 = 20.6; p <0.001
LDMC*** 369.0 ± 16.9a 311.7 ± 14.7a 474.1 ± 21.4b F = 12.8; p <0.001
Leaf thickness*** 0.29 ± 0.02a 0.70 ± 0.06b 0.42 ± 0.04c Chi2 = 19.3; p <0.001
Leaf toughness*** 0.88 ± 0.20a 4.71 ± 0.54b 1.89 ± 0.34c Chi2 = 24.4; p <0.001
Leaf water potential at pre-dawn -0.28 ± 0.03a -0.33 ± 0.01a -0.29 ± 0.03a Chi2 = 3.3; p = 0.192
Leaf water potential at noon* -1.32 ± 0.09ab -1.13 ± 0.08a -1.72 ± 0.17b Chi2 = 6.5; p = 0.04
Light-saturated photosynthetic rate 7.82 ± 0.53a 7.48 ± 1.06a 5.64 ± 0.95a F = 1.9; p = 0.163
Intercellular CO2/Ambient CO2 0.34 ± 0.06a 0.48 ± 0.10a 0.31 ± 0.06a Chi2 = 0.7; p = 0.72
Leaf transpiration rate*** 0.0043 ± 0.0003a 0.0027 ± 0.0002b 0.0023 ± 0.0002b Chi2 = 19.8; p <0.001
Water use efficiency 0.69 ± 0.06a 0.49 ± 0.06a 0.75 ± 0.05a Chi2 = 5.40; p = 0.07
Leaf phosphorus content*** 1.36 ± 0.09a 0.79 ± 0.05b 0.91 ± 0.07b Chi2 = 17.2; p <0.001
Leaf carbon content** 457.1 ± 4.7a 445.4 ± 2.8a 479.7 ± 7.8b F = 6.6; p = 0.003
Leaf nitrogen content*** 17.0 ± 0.69a 11.3 ± 0.44b 13.5 ± 0.80b F = 13.8; p <0.001
C/N ratio** 28.4 ± 1.1a 41.1 ± 1.6b 38.5 ± 3. 6b Chi2 = 10.0; p = 0.007
Cuticular conductance 7.5 ± 0.68a 5.5 ± 0.91a 7.5 ± 1.05a F = 1.1; p = 0.345