Curious plants Plants were the earliest forms of life on our planet.0:03
The first known plants appeared about 500 million years ago.0:10
Flowering plants appeared millions of years later, during the Jurassic period.0:15
They gave birth to modern plants.0:22
Today, there are more than 400,000 kinds of them.0:25
Anyhow, some plants haven't changed since the prehistoric age.0:29
It is nearly the same as it was 195 million years ago when dinosaurs ate its leaves.0:37
Some plants are most unusual.0:45
The famous baobab trees may be the oldest life forms in Africa.0:47
They are one of the symbols of the dark continent.0:53
Many baobabs that are still standing today have been growing since Roman times.0:58
They have no leaves for most of the year and their thick trunks keep water during the dry months.1:03
Some baobab trunks are so large that people live inside them.1:10
Cactus plants can be very tall, but nobody will ever think of climbing them.1:16
The saguaro cactus, which grows in America, can be as big as a building of five floors.1:21
And the raffia palm from Africa has the world's largest leaves that grow up to 25 meters.1:28
The world's fastest growing plant is the giant bamboo.1:35
It grows from 50 to 100cm a day.1:40
Rafflesia is the biggest flower in the world.1:45
This flower can be more than a meter in diameter.1:48
It grows in the jungles of some Pacific islands.1:52
Anyhow, this purplish red flower doesn't smell pleasant.1:56
In fact, it smells very bad, like meat, which is no longer fresh.2:00
Another flower, the Amazon water lily from South America, is the largest water plant.2:05
Its leaves can grow up to two metres across.2:11
The leaves are so strong that a young child can stand or sit on them.2:15
The century plant's record is different.2:21
It blossoms only once in 25 years and then dies.2:24
The green world of plants keeps a lot of secrets.2:29
Even common plants, which seem so familiar to us, have their own mysteries.2:33
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