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Tsuga

This article is about the genus. For other uses, see Tsuga (disambiguation).

Tsuga
Temporal range:
Tsuga heterophylla
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Gymnospermae
Division: Pinophyta
Class: Pinopsida
Order: Pinales
Family: Pinaceae
Subfamily: Abietoideae
Genus: Tsuga
(Endlicher) Carrière
Synonyms[1][2]
  • Pinus sect. Tsuga Endlicher
  • Hesperopeuce (Engelmann) Lemmon
  • ×Hesperotsuga C.N.Page
  • Micropeuce (Spach) Gordon
  • ×Tsugo-picea Van Campo & Gaussen
  • ×Tsugo-piceo-picea Van Campo & Gaussen
  • ×Tsugo-piceo-tsuga Van Campo & Gaussen

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 English-language common name "hemlock" arose from a perceived similarity in the smell of its crushed foliage to that of the unrelated plant hemlock.[4] Unlike the latter, Tsuga species are not poisonous.[5]

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.[6][7][8][2][9]

  1. ^ Cite error: The named reference WCSP was invoked but never defined (see the help page).
  2. ^ 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.
  3. ^ Sunset Western Garden Book, 1995:606–607
  4. ^ Mitchell, Alan (1972). "Conifers in the British Isles: a descriptive handbook" (PDF). p. 302. Retrieved 2024-10-24.
  5. ^ Farjon, A. (2010). A handbook of the world's Conifers. Vol. 2. Brill Publishers. pp. 533–1111. ISBN 978-90-04-17718-5. Tsuga is the Japanese name for Hemlock (the conifer, not the poisonous herb Conium maculatum in Apiaceae).
  6. ^ Farjon, A. (1990). Pinaceae. Drawings and Descriptions of the Genera. Koeltz Scientific Books. ISBN 3-87429-298-3.
  7. ^ Rushforth, K. (1987). Conifers. Helm. ISBN 0-7470-2801-X.
  8. ^ Earle, Christopher J., ed. (2018). "Tsuga". The Gymnosperm Database. Retrieved 2007-05-16.
  9. ^ 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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