The twigs, needles and cone scales are in opposite pairs. Trees are monoecious, producing oval, light brown female cones (3/4” long) and pendant globose male cones (1/2” long). Foliage emerges light green in spring, matures to deep green in summer and turns red-bronze in fall. It features linear, feathery, fern-like foliage that is soft to the touch. Bark on mature trees is often deeply fissured. As the tree matures, the trunk broadens at the base and develops attractive and sometimes elaborate fluting. Seedlings grown therefrom were planted in front of the Lehmann Building at MBG in 1952 where they have now developed into large mature trees (70’+ tall). Seeds collected from the original site were made available to the Missouri Botanical Garden in 1947. However, it was not until 1941 that it was first discovered growing in the wild near the town of Modaoqi, China by Chinese forester, T. From fossil records, dawn redwood is known to have existed as many as 50,000,000 years ago. It is related to and closely resembles bald cypress ( Taxodium) and redwood ( Sequoia). 'Ogon' was one of two plants selected in 2006, the inaugural year of the highly popular ACS Collectors' Conifer of the Year Program.Metasequoia glyptostroboides, commonly called dawn redwood, is a deciduous, coniferous tree that grows in a conical shape to 100’ tall. It is also occasionally seen listed as 'Golden Mantle.' Regardless, since 'Ogon' is the original recorded cultivar name that is the only one considered valid. patent for this tree under the name, 'Golden Oji.' As it became aware that the plant was already circulating with a couple of different cultivar names, the patent was soon withdrawn. In 1995, New Oji Paper Company applied for a U.S. Around that same time, Larry Stanley & Sons nursery, Boring Oregon received it and starting distributing it under the name 'Gold Rush,' which to this day is the most commonly seen misspelling. In 1993, Pieter Zwijnenburg Jr., Boskoop, The Netherlands got the first propagation material directly from Japan and renamed it 'Goldrush' and began distributing it under that name in 1997. With this definition, the name 'Ogon' is the valid cultivar name. Its original Japanese name was 'Ogon' which translates to "gold bullion" or "gold coin". This plant has a very long and confusing saga pertaining to its proper nomenclature. The original tree was planted in 1977 at the Kameyama breeding station, Institute for Forest Tree Improvement, New Oji Paper Co., Ltd, Mie, Japan. This cultivar originated in 1974 in Japan as a seedling selected from a batch of X-ray irradiated seed by the New Oji Paper Company. Young trees that do not receive adequate irrigation are highly prone to sun damage.
#Metasequoia glyptostroboides gold rush full
It should be noted that the foliage will burn in the full sun. A mature specimen will easily exceed 20 feet (7 m) tall after 10 years in the landscape. 'Ogon' will create a striking statement in the landscape with it's golden foliage and heavily buttressed trunk. It is a fast-growing selection of dawn redwood with pleasing bright yellow feathery foliage that will turn tawny brown before being shed in the fall. Metasequoia glyptostroboides 'Ogon' is commonly known by the trade name Metasequoia glyptostroboides 'Gold Rush'. Additions to the International Conifer Register.
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