9. Giant Sequoias Tree
The largest living single-stem tree in the world, an old specimen can reach up to 275 m (900 ft) and a diameter of 18 m (60 ft), with some exceeding 40.7 m (130 ft).
It is a member of the family Taxodiaceae and grows exclusively in areas of high elevation in the western United States and Mexico.
The bark is very thick; it has several large splotches or plates that peel off sloughing off flaky outer layers. The leaves are dark green on top and whitish below with marginal stomata, they grow up to 20 cm long with 2 cm wide petioles.
10. Bamboo Bamboo Tree
The Bamboo Bamboo Tree is a genus of flowering plants in the grass family Poaceae found as new growth in temperate climates throughout the world.
The bamboo plant consists usually of three or more types (cultivars) of stalked leaves that grow from rhizomes and can reach heights of 10 to 80 meters.
Some species grow from ground level and others from trees. The word bamboo comes from the Japanese word Bambusa, and some species of bamboo can reach a height of 80 meters.
11. Aspen Pando Tree
The Aspen is a genus of about 70 species of trees in the family Pinaceae, which grow in cold mountainous regions throughout the world.
The most commonly known species is the American aspen (“Populus tremuloides”) and European aspen (“P.sylvestris”). The leaves are broad, often lobed with three or five sharp points, and the cones are raven-black when mature at maturity.