Tree wiki:
>This article is about the biological organisms known as trees. For other meanings of the word see tree (disambiguation). A tree can be defined as a large, perennial, woody plant. Though there is no set definition regarding minimum size, the term generally applies to plants at least 6 m (20 ft) high at maturity and, more importantly, having secondary branches supported on a single main stem or trunk (see shrub for comparison). Compared with most other plant forms, trees are long-lived. A few species of trees grow to 100 m tall, and some can live for several thousand years.
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Winter wiki:
>For other uses, see Winter (disambiguation). Winter is one of the four seasons of temperate zones. Astronomically, it begins with the winter solstice (around December 21 in the Northern hemisphere and June 21 in the Southern hemisphere), and ends with the spring equinox (around March 21 in the Northern hemisphere and September 23 in the Southern hemisphere). In meteorology, it is by convention counted instead as the whole months of June, July and August in the Southern hemisphere and December, January and February in the Northern hemisphere.
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