beverage3 carnivorous1 cold-hardy3 condiment1 conifer3 desert1 drought-tolerant2 dye1 education1 fiber2 flower9 food1 fruit8 gluten-free2 grain5 heat-tolerant1 herb4 high-altitude3 legume4 medicinal13 nitrogen-fixer3 nut2 oilseed3 ornamental18 psychoactive2 root5 shrub7 spice3 staple9 stimulant2 subtropical3 succulent2 temperate19 tree10 tropical21 vegetable4 vine3 wetland4