| Functional Type | Growth Form | Species | N | Plant Osmotic Potential (MPa) | |||||
| Predawn | LWC- Predawn | Midday | LWC- Midday | Diurnal | |||||
| Deciduous |
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| Shrub | A. senegal | 7 | −1.60 ± 0.07 (a) | 129 ± 5.9 | −1.76 ± 0.08 (a, c) | 117 ± 6.3 | 0.16 ± 0.08 (a) | |
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| A. oerfota | 6 | −2.56 ± 0.08 (d) | 183 ± 5.9 | −2.62 ± 0.08 (d) | 177 ± 6.3 | 0.06 ± 0.09 (a) | |
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| A. mellifera | 6 | −2.05 ± 0.08 (c) | 136 ± 6.4 | −2.10 ± 0.08 (b, c) | 129 ± 6.8 | 0.048 ± 0.09 (a) | |
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| D. cinerea | 6 | −1.59 ± 0.08 (a) | 108 ± 6.4 | −1.61 ± 0.09 (a) | 104 ± 6.8 | 0.14 ± 0.09 (a) | |
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| Tree | A. tortilis | 8 | −1.66 ± 0.07 (a, b) | 114 ± 5.5 | −1.67 ± 0.07 (a) | 108 ± 5.9 | 0.01 ± 0.08 (a) | |
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| A. seyal | 7 | −2.06 ± 0.08 (c) | 130 ± 5.9 | −2.15 ± 0.09 (c) | 124 ± 6.3 | 0.09 ± 0.08 (a) | |
| Evergreen |
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| Tree | B. aegyptiaca | 7 | −1.96 ± 0.07 (b, c) | 154 ± 5.9 | −2.14 ± 0.08 (b, c) | 135 ± 6.28 | 0.18 ± 0.08 (a) | |
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| D. glabra | 6 | −2.92 ± 0.078 (d) | 159 ± 6.4 | −3.04 ± 0.08 (e) | 152 ± 6.9 | 0.12 ± 0.09 (a) | |