BOT 1200 Lecture 18: Lecture 18
18 Apr 2017
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Document Summary
Defintion of a tree & record breaking trees. Making a tree- the botany of how it grows. Church of the transfiguration (built in 1781) turchasovo region. A tree is woody, more or less erect, usually single stemmed and may exceed 6m in height. Trees are ancient in origin; have been on the planet longer than animals. Dominant vegetation since the carboniferous period (265-295 million years ago) Angiosperms (flowering plants) arose 100 million years ago. Today, there are 700 conifer species and about 30,000 species of flowering tree. The 5th largest tree in the world at 72. 8 m tall and 7. 8 m in diameter. Tallest tree is a coast redwood (sequoia sempervirens) in california, standing at 112. 2m. Bristlecone pines (pinus aristata and p. longaeva) in california and nevada are some of the oldest trees. Ancient yews of england are found on ancient burial sites dating from neolithic to.
