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Iluvatar is a redwood tree in Prairie Creek Redwoods State Park in Northern California that has been confirmed to be at least in diameter at breast height, and in height. Measured by Stephen C. Sillett, it is the world's third-largest coast redwood, the largest being Lost Monarch.〔(Gymnosperm Database )〕 Iluvatar is located among a group of trees called Atlas Grove. The location is unpublished. Atlas Grove, including Iluvatar, is a carefully studied area of forest. Just measuring Iluvatar required five climbers for over 20 days. Iluvatar has 134 reiterated trunks, more than any except the Redwood Creek Giant. Its first reiterated trunk is 2.6 meters in diameter, the largest reiteration on any redwood. In total, reiterations account for 12.3 percent of its stemwood volume. Like many old growth redwoods, trunks within the crown are hydraulically linked by fused branches. In addition to allowing for water transfer within the crown, these fusions strengthen the crown of the tree, making it more resilient to wind damage. Iluvatar has 30 such fusions.〔()〕 This redwood tree was named by Stephen C. Sillett after Eru Ilúvatar, the creator of the universe in J. R. R. Tolkien's legendarium, in which his novels ''The Hobbit''; ''The Lord of the Rings'' and ''The Silmarillion'' take place. The Atlas Grove (with Iluvatar) is said by author Richard Preston to have been discovered by naturalist Michael Taylor in 1991.〔Preston, Richard (2007). ''The Wild Trees: A Story Of Passion And Daring''. Allen Lane Publishers. page 82.〕 This coastal redwood is surrounded by other old coastal redwoods including Atlas Tree, Gaia, Pleiades, Ballantine, Prometheus, Bell, Zeus and others. Ballantine was named after a real man. Some were named after ancient Greek gods. Neighboring species include ''Pseudotsuga menziesii'', ''Picea sitchensis'', ''Acer macrophyllum'', ''Rhamnus purshiana'', ''Umbellularia californica'', ''Tsuga heterophylla'', ''Chamaecyparis lawsoniana'' and ''Lithocarpus densiflorus''. ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Iluvatar (tree)」の詳細全文を読む スポンサード リンク
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