Douglas fir
E1430
Douglas fir is a large, long-lived conifer native to western North America, valued for its strong timber and ecological importance in mountain and coastal forests.
Aliases (5)
Statements (73)
| Predicate | Object |
|---|---|
| instanceOf |
conifer
→
evergreen tree → timber tree → tree species → |
| barkColor |
gray to brown
→
|
| climatePreference |
continental climate
→
cool moist climate → maritime climate → |
| commercialImportance |
major export timber species
→
one of the most important commercial softwoods in North America → |
| commonNameOf |
Pseudotsuga menziesii
→
|
| coneCharacteristic |
cones with three-pointed bracts
→
|
| coneType |
seed cones
→
|
| describedBy |
David Douglas (as collector) and later taxonomists
→
|
| distinguishedFrom |
true firs by cone bracts
→
|
| evergreenNeedleArrangement |
spirally arranged on twigs
→
|
| family |
Pinaceae
→
|
| fireEcology |
moderately fire-resistant bark in mature trees
→
|
| foundIn |
coastal forests
→
montane forests → subalpine forests → |
| genus |
Pseudotsuga
→
|
| growthRate |
fast-growing
→
|
| introducedTo |
Australia
→
Chile → Europe → New Zealand → |
| kingdom |
Plantae
→
|
| leafPersistence |
evergreen
→
|
| leafType |
needle-like leaves
→
|
| longevity |
more than 500 years
→
|
| maximumDiameter |
over 2 meters at breast height
→
|
| maximumHeight |
over 230 feet
→
over 70 meters → |
| namedAfter |
David Douglas
→
|
| nativeTo |
Pacific Northwest
→
Rocky Mountains → western North America → |
| needleLength |
about 2 to 3 centimeters
→
|
| notTrueFir |
not a member of genus Abies
→
|
| order |
Pinales
→
|
| photosyntheticType |
C3 plant
→
|
| pollination |
wind-pollinated
→
|
| rangeExtension |
widely planted outside native range
→
|
| reproduction |
sexual reproduction by seeds
→
|
| roleInEcosystem |
carbon sequestration
→
dominant canopy species → habitat provider for wildlife → soil stabilization → |
| seedDispersal |
wind-dispersed seeds
→
|
| shadeTolerance |
moderate shade tolerance
→
|
| soilPreference |
deep soils
→
well-drained soils → |
| taxonRank |
species
→
|
| threat |
fire suppression effects
→
fungal diseases → insect pests → logging → |
| usedFor |
Christmas trees (some varieties)
→
doors and windows → engineered wood products → flooring → framing lumber → marine pilings → paper production → utility poles → |
| valuedFor |
construction lumber
→
ecological importance → plywood production → pulpwood → strong timber → |
| woodColor |
light brown to reddish brown
→
|
| woodDensity |
relatively high for softwood
→
|
Referenced by (18)
| Subject (surface form when different) | Predicate |
|---|---|
|
Forest Park (Portland, Oregon)
("Douglas-fir")
→
Mount Tamalpais State Park ("Douglas-fir") → Quinault Rain Forest ("Douglas-fir") → |
hasFlora |
|
Klamath Mountains
("Douglas-fir")
→
Yosemite National Park → |
notableTreeSpecies |
|
Pseudotsuga
("Douglas-firs")
→
|
commonName |
|
Douglas fir
("Pseudotsuga menziesii")
→
|
commonNameOf |
|
Pinophyta
("Pseudotsuga")
→
|
contains |
|
Stanley Park
→
|
containsSpecies |
|
Pacific temperate rainforests
("Douglas-fir")
→
|
dominantTree |
|
Hoh Rain Forest
("Douglas-fir")
→
|
dominantTreeSpecies |
|
North Cascades National Park
("Douglas-fir")
→
|
flora |
|
Douglas fir
("Pseudotsuga")
→
|
genus |
|
Willamette National Forest
("Douglas-fir")
→
|
hasTreeSpecies |
|
Deschutes National Forest
("Douglas-fir")
→
|
hasVegetation |
|
Pseudotsuga
("Douglas-fir (Pseudotsuga menziesii)")
→
|
notableSpeciesCommonName |
|
Mount Rainier National Park
("Douglas-fir")
→
|
treeSpecies |
|
Huddart County Park
("Douglas-fir")
→
|
vegetation |