Transcript north americas most amazing plants syahirah innovation 3

North America’s Most
Amazing Plants
Syahirah Suwandi
Innovation 3
Bristlecone Pine
• The oldest tree in the world is a
bristlecone pine.
• It is about 4,770 years old.
• It began to grow when the Ancient
Egyptians were building their pyramids.
• Bristlecone pines live so long because
they grow very slowly.
• Bristlecone pines grow high up in the
mountains.
Saguaro cactus
• The saguaro cactus is one of the world’s
biggest cacti, but it grows very slowly.
• During the first 10 years of its life, it may
grow only 4cm!
• It can take 30 years to reach 1 metre and
50 years to produce its first flowers.