Poppy seeds, from the seed of the opium poppy. They are improved by roasting and are used for thickening curries instead of cornflours or other starches.
Roselle. Jamaican sorrel. A 2 meter (6 ft) high plant producing peppery leaves with a flavour similar to sorrel. The small scarlet flowers are used to make jams (US: jellies) and jellies (US: jellos) or dried and used to colour foods.
Water amaranth or sessile joyweed. A type of amaranth which grows vigorously, providing nutritious greens. Use only tender new shoots as old leaves can leave a bitter taste in the mouth.