Widely cultivated for its nutritious seeds, chickpea is thought to have originated in Turkey, Syria and Iran.
Found in the understorey of Amazonian rainforests, rose of Venezuela is considered by many to be one of the most spectacular of all flowering trees.
The fast-growing sweet thorn, with its striking yellow pompom-like flowerheads, is perhaps the most well-used acacia in southern Africa.
A herb belonging to the pea and bean family, liquorice is cultivated for its underground stems that are used to flavour confectionery; it is also valued for its medicinal qualities.
Cootamundra wattle is a graceful tree with beautiful fern-like foliage and bright golden-yellow flower heads, and is widely cultivated as an ornamental.
Guadeloupe blackbead has beautiful clusters of creamy-white flowers and stunning red pods shaped like a string of beads and containing black seeds.
A rapidly growing tree native to southeastern North America, black locust is loved by many as an elegant ornamental of parks and city streets.
Flat-crown albizia is an African tree with a wealth of uses, from the simple provision of shade to the preparation of a love charm.
A member of the pea and bean family, Ophrestia madagascariensis is a perennial vine that is only found in northwestern Madagascar.
The pink-flowered liane Camoensia brevicalyx is widely distributed in Africa, but is infrequently collected and poorly-known scientifically.