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Subfamily of the conifer family Pinaceae
Abietoideae is a
subfamily of the conifer
family
Pinaceae . The name is from the genus
Abies (
firs ), which contains most of the species in the genus. Six genera are currently assigned to this subfamily:
Abies ,
Cedrus ,
Keteleeria ,
Nothotsuga ,
Pseudolarix , and
Tsuga .
Abies alba from Koehler (1887)
The group was formerly treated as a separate family, the Abietaceae , by some
plant taxonomy systems , such as the
Wettstein system .
Genera and species
Abies - firs
Cedrus
Keteleeria
Nothotsuga
Pseudolarix
Tsuga - hemlocks
Tsuga canadensis – eastern hemlock – Eastern Canada, Eastern United States
Tsuga caroliniana – Carolina hemlock – Southern
Appalachians
Tsuga chinensis – Taiwan hemlock – much of China incl Tibet + Taiwan
Tsuga diversifolia – northern Japanese hemlock –
Honshu ,
Kyushu
Tsuga dumosa – Himalayan hemlock –
Himalayas ,
Tibet ,
Yunnan ,
Sichuan
Tsuga forrestii – Forrest's hemlock –
Sichuan ,
Yunnan ,
Guizhou
Tsuga heterophylla – western hemlock – Western Canada, Northwestern United States
Tsuga × jeffreyi –
British Columbia ,
Washington
Tsuga mertensiana – mountain hemlock – Alaska,
British Columbia , Western United States
Tsuga sieboldii – southern Japanese hemlock – Japan
Tsuga ulleungensis – Ulleungdo hemlock –
Ulleungdo island, Korea
[3]
References
^ Schorn, H.; Wehr, W. (1986). "Abies milleri , sp. nov., from the Middle Eocene Klondike Mountain Formation, Republic, Ferry County, Washington". Burke Museum Contributions in Anthropology and Natural History . 1 : 1–7.
^
a
b Gooch, N. L. (1992). "Two new species of Pseudolarix Gordon (Pinaceae) from the middle Eocene of the Pacific Northwest". PaleoBios . 14 : 13–19.
^ Popkin, Gabe (30 January 2018).
"First New Species of Temperate Conifer Tree Discovered in More Than a Decade" . National Geographic News. Archived from
the original on January 31, 2018. Retrieved 31 January 2018 .