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Herbs are the green, leafy parts of plants. They are most efficacious and flavorsome when used fresh, and they are mostly grown in temperate to hot regions. Spices are derived from any part of a plant that is not a leaf: for example, cloves are flower buds, cinnamon is bark, ginger is a root, peppercorns are berries, nigella is seed, cumin is a fruit, saffron is stigmas, cardamom is pods and seeds, and asafetida is a gum....

