Table 1.
Level 1 use | Number of species | Level 2 use | Number of species |
---|---|---|---|
Food | 137 | leaves | 14 |
seeds | 113 | ||
Food additives | 3 | ||
Animal food | 636 | leaves and stems | 604 |
seeds and flowers | 38 | ||
Invertebrate food | 2 | ||
Materials | 106 | fibers | 88 |
essential oils | 9 | ||
Fuels | 14 | ||
Vertebrate poisons | 43 | ||
Nonvertebrate poisons | 3 | ||
Medicines | 19 | ||
Environmental uses | 258 | erosion control | 184 |
revegetators | 81 | ||
soil improvers | 28 |