Ginkgo biloba, or maidenhair tree, has been described as a ‘living fossil’ because it is the sole survivor of an ancient group of trees older than the dinosaurs.
Kew's Herbarium contains a wreath of folded olive leaves which was found in the sarcophagus of King Tutankhamun and is over 3,300 years old.
Blushing bride is a common houseplant, admired for its contrasting violet flower spikes and red inner leaves.
The striking arum lily has been known to European horticulture since at least the 1660s and is one of the world's most iconic and widely known plants.
Sunflower is a beautiful and nutritious plant widely cultivated for its edible seeds and oil.
A vine from the morning glory family (Convolvulaceae), sweet potato is widely cultivated for its edible root tubers.
White ash is a rapidly growing timber tree native to eastern North America. Its shock-resistant timber is used for tool handles and baseball bats.
Red oak is a North American tree with spectacular reddish brown leaves in autumn.
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.
A vigorous climber from India, Burma and Malaysia, laurel clock vine is a popular ornamental in the tropics.