The ginkgo tree is one of the oldest types of trees in the world. Ginkgo seeds have been used intraditional Chinese medicine for thousands of years, and cooked seeds are occasionally eaten.
The first recorded use of fenugreek is described on an ancient Egyptian papyrus dated to 1500 B.C. Fenugreek seed is commonly used in cooking.
Common Names—fenugreek, fenugreek seed
Latin Name—Trigonella foenum-graecum
All types of tea (green, black, and oolong) are produced from the Camellia sinensis plant using different methods. Fresh leaves from the Camellia sinensis plant are steamed to produce green tea.
Flaxseed is the seed of the flax plant, which is believed to have originated in Egypt. It grows throughout Canada and the northwestern United States. Flaxseed oil comes from flaxseeds.
Common Names—flaxseed, linseed
Latin Names—Linum usitatissimum
Hawthorn is a spiny, flowering shrub or small tree of the rose family. The species of hawthorn discussed here are native to northern European regions and grow throughout the world.