Plant life

• The largest tree in the world is a giant sequoia growing in California. It is 84 metres tall and measures 29 meters round the trunk.
•The fastest-growing tree is the eucalyptus. It can grow 10 meters a year.
• The world's oldest trees are the bristlecone pines of California. One of them is about 4600 years old.
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• The largest flower comes from the rafflesia plant. The flower can weigh 6kg and grow to a width of 91 cm.
• The largest forest in the world covers parts of Scandinavia and northern USSR and has a total area of over 9 million sq.k.m.