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.
See more at Wikipedia.org...
Olive wiki:
>For alternate senses of this word see olive (disambiguation). The Olive (Olea europaea) is a species of small tree in the family Oleaceae, native to coastal areas of the eastern Mediterranean region, from Syria and the maritime parts of Asia Minor. It is also thought to be indigenous in Greece. Olive trees shows a marked preference for calcareous soils, flourishing best on limestone slopes and crags, and coastal climate conditions.
See more at Wikipedia.org...