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Cryptomeria stamens and pollen. Hay fever in Japan (花粉症, kafunshō, "pollen illness") is most commonly caused by pollen from Cryptomeria japonica (known as sugi in Japanese and often translated as "cedar" though it is not a member of the Cedrus genus) and Japanese cypress (known as hinoki), two native Japanese tree species.
Jōmon Sugi (縄文杉) is a large cryptomeria tree located on Yakushima, a UNESCO World Heritage Site, in Japan. It is the oldest and largest among the old-growth cryptomeria trees on the island, and is estimated to be between 2,170 [26] and 7,200 years old. [27] [28] Cryptomeria are often described and referred to in Japanese literature.
Houkisugi or Hōkisugi at Nakagawa (箒スギ) is a 2000-year-old Japanese cedar (Cryptomeria) at Nakagawa Settlement, Yamakita town, Ashigarakami District, Kanagawa Prefecture, Japan. The tree was revered by locals because it prevented a great fire from spreading in 1904. There is still visible fire damage on the tree.
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In general, the Japanese cedar lives for about 500 years, but yakusugi trees live much longer. They grow on less nutritious granite soil slowly and have a very tight grain. The wood contains a lot of resin due to Yakushima 's high rainfall and high humidity, making it resistant to rotting.
California's oldest tree, a Palmer's oak thought to be 13,000 to 18,000 years old, may be threatened by a proposed development, environmentalists say.
Cedar is part of the English common name of many trees and other plants, particularly those of the genus Cedrus. Some botanical authorities consider the Old-World Cedrus the only "true cedars" . [ 1 ] [ 2 ] Many other species worldwide with similarly aromatic wood, including several species of genera Calocedrus , Thuja , and Chamaecyparis in ...
Dragon trees will do fine in normal household temperatures of 60 to 70 degrees Fahrenheit. Soil. Any well-draining potting mix will suit a dragon plant just fine. But make sure the pot has holes ...
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