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| Tsuga | |
|---|---|
| |
| Tsuga heterophylla | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Gymnospermae |
| Division: | Pinophyta |
| Class: | Pinopsida |
| Order: | Pinales |
| Family: | Pinaceae |
| Subfamily: | Abietoideae |
| Genus: | Tsuga (Endlicher) Carrière |
| Synonyms[1][2] | |
| |
Tsuga (/ˈsuːɡə/,[3] from Japanese 栂 (ツガ), the name of Tsuga sieboldii) is a genus of conifers in the subfamily Abietoideae of Pinaceae, the pine family. The common name hemlock is derived from a perceived similarity in the smell of its crushed foliage to that of the unrelated plant poison hemlock. Unlike the latter, Tsuga species are not poisonous.[4]
The genus comprises eight to ten species (depending on the authority), with four species occurring in North America and four to six in eastern Asia.[5][6][7][2][8]
- ^ Cite error: The named reference
WCSPwas invoked but never defined (see the help page). - ^ a b Fu, Liguo; Li, Nan; Elias, Thomas S.; Mill, Robert R. "Tsuga". Flora of China. Vol. 4. Retrieved 2007-05-16 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
- ^ Sunset Western Garden Book, 1995:606–607
- ^ Farjon, A. (2010). A handbook of the world's Conifers. Vol. 2. Brill Publishers. pp. 533–1111.
- ^ Farjon, A. (1990). Pinaceae. Drawings and Descriptions of the Genera. Koeltz Scientific Books. ISBN 3-87429-298-3.
- ^ Rushforth, K. (1987). Conifers. Helm. ISBN 0-7470-2801-X.
- ^ Earle, Christopher J., ed. (2018). "Tsuga". The Gymnosperm Database. Retrieved 2007-05-16.
- ^ Taylor, Ronald J. (1993). "Tsuga". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 2. New York and Oxford: Oxford University Press. Retrieved 2007-05-16 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
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