Tree

Tree

In botany, a tree is a perennial woody plant with a single main trunk taller than about 2 metres, with xylem tissue in the trunk and branches that continues to enlarge during the life of the plant by the process of secondary growth.

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Famous quotes containing the word tree:

    It is, I fear, but a vain show of fulfilling the heathen precept, “Know thyself,” and too often leads to a self-estimate which will subsist in the absence of that fruit by which alone the quality of the tree is made evident.
    George Eliot [Mary Ann (or Marian)

    Probability but no truth, facility but no freedom—it is owing to these two fruits that the tree of knowledge cannot be confused with the tree of life.
    Friedrich Nietzsche (1844–1900)

    Our courage breaks like an old tree in a black wind and dies,
    But we have hidden in our hearts the flame out of the eyes
    Of Cathleen, the daughter of Houlihan.
    William Butler Yeats (1865–1939)