12/13/2023 0 Comments Metasequoia fossils![]() The Story of the Discovery and Naming of Dawn RedwoodĬorvallis: tree in Riverfront Park, just south of the Harrison Ave.Metasequoia flourished in the Miocene epoch of 25 to 5 million years ago and left its record embedded in rocks across the Oregon landscape. State Fossil of Oregon: The Oregon legislature designated the Metasequoia as the official state fossil in 2005. 'Miss Grace' - more or less ground sprawling, but if staked, a small tree with weeping branches.'Gold Rush' - bright yellow foliage in spring and retains much of the color throughout the summer.Several cultivars are available, including: Hardy to USDA Zone 4 Native to Sichuan (Szechuan, Szechwan), China. ![]() Easy to transplant, performs best in moist, well-drained, slightly acid soils. Quarter page: Discovery of living Metasequoia in China: three trees planted in National Capitol Parks (Washington D.C.) fossils in Alaska, Oregon, California, Greenland, Germany, Switzerland, Manchuria and Japan, in rocks of Eocene age (60 million years old) and of Miocene age (20 million years old). Pollination occurs in early spring and the seeds in the female cones are mature by the fall. (However, because of western Oregon's wet, but mild, winters, the cones are not dry enough to open and release the seeds until the following spring.) The female (seed) cones are solitary, oval, green then light brown, about 2 cm long male (pollen) cones are arranged in long pendant clusters, each cone is globose and about 5 mm long. Bark reddish brown when young, darker, fissuring, and exfoliating in strips when mature. The trees are monoecious, both male and female cones on an individual plant. ![]() Needles are arranged in opposite pairs, each is about 15 mm long, straight or slightly curved, bright green above, light green below.
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