Wollemi pine
| Noun | 1. |  Wollemi pine - newly discovered (1994) pine thought to have been long extinct; Australia; genus and species names not yet assigned |
| 单词 | wollemi pine | |||
| 释义 | Wollemi pine
Wollemi pineWollemi pine(wŏl`əmī'), primitive tree, Wollemia nobilis, of the conifer family Araucariaceae, named after Wollemi National Park in New South Wales, Australia, where it was discovered in 1994. Anciently widespread on the supercontinent of Gondwanaland (see plate tectonicsplate tectonics,theory that unifies many of the features and characteristics of continental drift and seafloor spreading into a coherent model and has revolutionized geologists' understanding of continents, ocean basins, mountains, and earth history. ..... Click the link for more information. ), the species was thought to have become extinct at the end of the Cretaceous period (approximately 65 million years ago). Not a true pinepine, common name for members of the Pinaceae, a family of resinous woody trees with needlelike, usually evergreen leaves. The Pinaceae reproduce by means of cones (see cone) rather than flowers and many have winged seeds, suitable for wind distribution. ..... Click the link for more information. , the tree has unusual pale green, fernlike leaves, bright green female cones and brown male cones, and dark brown, corklike bark with a bubbly appearance, and can reach 130 ft (40 m) in height. With fewer than 100 mature trees in two known stands, it is one of the rarest wild plants on earth. To guard against unscrupulous commercial exploitation, the state of New South Wales has trademarked the name, limited access to the wild trees, and developed stock for the nursery market. Wollemi pine
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