Pacific Island Ecosystems at Risk (PIER)

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Pseudotsuga menziesii
(Mirb.) Franco, Pinaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  yes

Risk assessment results:  Evaluate, score: 5.5 (Go to the risk assessment)

Other Latin names:  Pseudotsuga taxifolia Britton

Common name(s): [more details]

Chinese: hua qi song

English: Douglas-fir, Oregon pine

French: Douglas taxifolié, sapin de Douglas

Japanese: Amerika dogasawara, bei matsu, dagurasu faa, dagurasu momi, Oregon matsu, Oregon pain

Spanish: pino Oregon

Habit:  tree

Description:  "Trees to 100 m tall; trunk to 4 m d.b.h. in native range; bark dark gray-brown or blackish green, smooth, with resin blisters, aging rough and scaly with deep longitudinal fissures; branchlets initially light yellow, becoming red-brown when dry, slightly pubescent. Leaves dark green adaxially, linear, 1.5-3 cm x 1-2 mm, stomatal bands 2, abaxial, white, apex obtuse or acuminate. Seed cones brown, glossy, ellipsoid-ovoid, ca. 8 x 3.5-4 cm. Seed scales ± rhombic, 2-2.5 x 2-2.5 cm, as long as or longer than wide. Bracts exserted, longer than seed scales, cusp straight or reflexed, 6-10 mm, tapering at apex, lateral lobes wide and short, denticulate at margin"  (Flora of China online).

Habitat/ecology:  In New Zealand, "naturalised abundantly, sometimes forming an understorey in areas adjacent to plantations, and often regenerating on banks and paths around and downwind of cultivation sites"  (Webb et al., 1988; 60).

Propagation:  Seed

Native range:  Western Canada, western United States, northern Mexico; cultivated elsewhere (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island   Bishop Museum (U.S.A. Hawaii. Honolulu.) (1980) (voucher ID: BISH 655800)
Taxon name on voucher: Pseudotsuga menziesii
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Canada (British Colombia)
Province of British Columbia
Canada (British Columbia) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
China
China
China (People's Republic of) introduced
cultivated
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Mexico
Mexico
Mexico (United Mexican States) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
cultivated
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 60)
United States (west coast)
United States (west coast states)
USA (Oregon) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (California) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
United States (west coast)
United States (west coast states)
USA (Washington) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Canada (except British Colombia)
Canada
Canada (country) native
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
Alberta
United States (continental except west coast)
United States (other states)
United States (other states) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

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This page was created on 3 SEP 2012 and was last updated on 1 OCT 2012.