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Missouri Botanical Garden

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Missouri Botanical Garden Seiwa en
Missouri Botanical Garden Seiwa en

The Missouri Botanical Garden is a botanical garden located at 4344 Shaw Boulevard in St. Louis, Missouri. It is also known informally as Shaw's Garden for founder and philanthropist Henry Shaw. Its herbarium, with more than 6.6 million specimens, is the second largest in North America, behind that of the New York Botanical Garden. The Index Herbariorum code assigned to the herbarium is MO and it is used when citing housed specimens.

Excerpt from the Wikipedia article Missouri Botanical Garden (License: CC BY-SA 3.0, Authors, Images).

Missouri Botanical Garden
Shaw Boulevard, St. Louis

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N 38.6125 ° E -90.259722222222 °
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Missouri Botanical Garden

Shaw Boulevard 4344
63110 St. Louis
Missouri, United States
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call+13145775100

Website
missouribotanicalgarden.org

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Climatron
Climatron

The Climatron is a greenhouse enclosed in a geodesic dome that is part of the Missouri Botanical Garden in St. Louis. Initiated by then Garden director Frits W. Went, the dome is the world's first completely air-conditioned greenhouse and the first geodesic dome to be enclosed in rigid Plexiglass (Perspex) panels. Completed in 1960, it was designed by T. C. Howard, of Synergetics, Inc., Raleigh, North Carolina. The broad climatic range within the dome, which recreates a lowland rain forest, is achieved by sophisticated climate controls without using interior partitions.The structure is an unpartitioned half-sphere dome, 42 m in diameter and 21 m high. The frame is supported by aluminum tubes under compression and aluminum rods under tension. The St. Louis architects Murphy and Mackey were the architects on record. Synergetics, Inc were the designers of the dome. The architects received the 1961 R. S. Reynolds Memorial Award of $25,000 for their architectural use of aluminum. In 1976 it was named one of the 100 most significant architectural achievements in United States history.The dome contains a small stone pre-existing neo-classical pavilion and over 400 varieties of plant life. A bank of 24 flood lights, revolving at night in five-minute cycles, simulates noon light on one side of the dome and moonlight on other side. The climate ranges from the Amazon through Hawaii and Java to India. Over time, the building experienced deterioration of the original Plexiglas panels and the adverse effect of humidity on some metal elements. The greenhouse was closed for extensive renovations in 1988 and reopened in March 1990. The original Plexiglas glazing was replaced with 2,425 panes of heat-strengthened glass (containing a plastic interlayer called Saflex) and coated with a low-emissivity film. In 2010, the Botanical Garden celebrated the 50th anniversary of the Climatron.