Revision of Fossil Sequoia and Taxodium in Western North America Based on the Recent Discovery of Metasequoia

Revision of Fossil Sequoia and Taxodium in Western North America Based on the Recent Discovery of Metasequoia

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The recently discovered redwood of China, AiMetasequoia glyptostroboidesAi Hu a Cheng, shows close relationship to two North American trees, the coast redwood, AiSequoia sempervirensAi Endlicher of the western U.S., a the swamp cypress, AiTaxodium distichumAi Richard of the Southeastern U.S. Foliage a cones of these living trees provide characters by which the three genera may be readily distinguished. But for nearly a century there has been confusion in the recognition of fossil specimens. The author is now able to distinguish the fossil foliage a cones of all three genera, a to assign to Metasequoia many specimens which have previously been identified as Sequoia a Taxodium. Illustrations.This is perhaps the last instance, at least in a systematic discussion, of confusing the remains of Meta- sequoia with those of ... The family definition of the Tax- odiaceae in a much used manual (Jepson 1925 : 54) begins with this sentenceanbsp;...


Title:Revision of Fossil Sequoia and Taxodium in Western North America Based on the Recent Discovery of Metasequoia
Author: Ralph W. Chaney
Publisher:American Philosophical Society - 2008-01-01
ISBN-13:

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