Fennel, Foeniculum vulgare flowering umbel with leaf arranged on silver background, and spritzed with water. Selective focus.

Forest pansy, Cercis canadensis heart shaped autumn leaf backlit on white placed above a line of Sweet gum, Liquidamber leaves at the bottom.

Sweet leaf, Stevia rebaudiana, a natural sweetener. Close up of 2 single leaves showing serrated edges, cut out against white.

Sweet leaf, Stevia rebaudiana, a natural sweetener. Close up of sprig showing serrated leaves cut out against white.

Sweet leaf, Stevia rebaudiana, a natural sweetener. Close up showing serrated leaves.

Sweet leaf, Stevia rebaudiana, a natural sweetener. Close up showing serrated leaves.

Sweet leaf, Stevia rebaudiana, a natural sweetener. Close up showing serrated leaves.

Sweet leaf, Stevia rebaudiana, a natural sweetener. Close up showing serrated leaves.

Sweet leaf, Stevia rebaudiana, a natural sweetener. Close up showing serrated leaves.

Sweet leaf, Stevia rebaudiana, a natural sweetener. Close up showing serrated leaves.

Sweet pepper, Capsicum annuum var. grossum, growing pepper on plant in greenhouse or cold frame.

Basil, Ocimum basilicum.