western larch Pinaceae Larix occidentalis Nutt. Listen to the Latin symbol: LAOC Other Fact Sheets
Leaf: Deciduous, yellow-green in spring turning golden yellow in fall; borne singly on current year's twigs, but clustered on spur shoots on older twigs; 1 to 1 3/4 inches long, linear, and flattened to triangular in cross-section.
Flower: Species is monoecious; male cones are round to oblong and yellow to yellow-green in color; female cones are small, erect, and bright red when young.
Fruit: Small (1 to 1 1/2 inches long), egg-shaped cones with thin, woody scales with finely toothed apexes. Bracts have spines that are longer than the scales (similar to Douglas-fir, but smaller).
Twig: Twigs are yellowish brown and covered by short, thick spur shoots; may be finely hairy the first year.
Bark: Young bark is thin, scaly, and gray-brown, later becoming 3 to 6 inches thick with deep furrows and flattened ridges, yellow to reddish brown.
Form: A large deciduous conifer growing 100 to 180 feet tall and 3 to 4 feet in diameter, very straight bole topped with a lacy, open crown.

Looks like: Dunkeld larch - subalpine larch - tamarack
leaf flower fruit twig bark form1 map
Additional Range Information:
Larix occidentalis is native to North America.
Range may be expanded by planting.
See states reporting western larch.
More: Fall Color Wood
External Links:
USDAFS Silvics of North America
USDAFS Additional Silvics
Landowner Factsheet
USDA Plants Database
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Photos and text by: John Seiler,
Edward Jensen, Alex Niemiera,
and John Peterson
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