Difference between revisions of "Eastern hemlock"
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| − | [[File:09_EasternHemlock.jpg|thumb|Eastern Hemlock | + | [[File:Tsuga canadensis morton.jpg|thumb|Eastern Hemlock (''Tsuga canadensis''); Credit: Bruce Morton]] |
| + | [[File:09_EasternHemlock.jpg|thumb|Eastern Hemlock (''Tsuga canadensis'')]] | ||
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== Description == | == Description == | ||
| − | A hemlock tree, ''Tsuga canadensis'', native to eastern North America, ranging from Alabama to New England and west to Wisconsin. | + | A hemlock tree, ''Tsuga canadensis'', native to eastern North America, ranging from Alabama to New England and west to Wisconsin. Eastern hemlock trees generally grow to 31 with trunk diameters of 1.8 m. It typically has a straight trunk with horizontal branches that droop to the ground. It is the state tree of Pennsylvania. The softwood tree produces coarse-grained wood that is strong, lightweight, and splinters easily. It is used primarily for paper pulp, but also for boxes, crates and railroad ties. Tannins extracted from the bark are used to make leather. |
See also [[hemlock bark]]. | See also [[hemlock bark]]. | ||
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== Sources Checked for Data in Record == | == Sources Checked for Data in Record == | ||
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| + | * Wikipedia: https://en.wikipedia.org/wiki/Tsuga_canadensis (accessed April 2020) | ||
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 394 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 394 | ||
Revision as of 10:52, 12 April 2020
Description
A hemlock tree, Tsuga canadensis, native to eastern North America, ranging from Alabama to New England and west to Wisconsin. Eastern hemlock trees generally grow to 31 with trunk diameters of 1.8 m. It typically has a straight trunk with horizontal branches that droop to the ground. It is the state tree of Pennsylvania. The softwood tree produces coarse-grained wood that is strong, lightweight, and splinters easily. It is used primarily for paper pulp, but also for boxes, crates and railroad ties. Tannins extracted from the bark are used to make leather.
See also Hemlock bark.
Synonyms and Related Terms
Tsuga canadensis; Tsuga mertensiana (19th c.); sapinette noire (Fr.); sapinette du Canada (Fr.); Canada hemlock; Canadian hemlock; American hemlock; hemlock spruce
| Density | 28 pcf |
|---|
Sources Checked for Data in Record
- Wikipedia: https://en.wikipedia.org/wiki/Tsuga_canadensis (accessed April 2020)
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 394
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- External source or communication Comment: Northern Hemlock and Hardwood Manufacturuers Association, Oshkosh, Wis.: air-dry weight = 28 pcf
- Encyclopedia Britannica, http://www.britannica.com Comment: "Hemlock." Encyclopædia Britannica. 18 Aug. 2004 .
- Gordon Hanlon, contributed information, 1998
- Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997