Page authors: Don Knoke, David Giblin
Larix lyallii
subalpine larch

Distribution: Occurring chiefly east of the Cascades crest in Washington; southern British Columbia to Washington, east to Montana and Alberta.

Habitat: Generally near timberline, preferring north-facing slopes.

Cones: June-July (cone production)

Origin: Native

Growth Duration: Perennial

Conservation Status: Not of concern


A small, often misshapen tree up to 20 m. tall.


Bark thin, deeply furrowed, flaking into reddish-brown scales; young twigs closely white- or yellowish-woolly for up to 3 years.


Needles in false whorls of 30-40 per spur, light bluish-green, 2.5-3.5 cm. long, 4-angled, deciduous.


Staminate cones single on short, lateral, naked branches, yellow, 1.5 cm. long; ovulate cones reddish-yellow to purplish-green, 3.5-4.5 cm. long, the scales somewhat woolly on the lower surface, exceeded by the dark purple to greenish-red bracts; the two cones often adjacent.

Accepted Name:
Larix lyallii Parl.
Publication: Conif. Nov. 3. 1863.

Synonyms & Misapplications:
(none provided)
Additional Resources:

PNW Herbaria: Specimen records of Larix lyallii in the Consortium of Pacific Northwest Herbaria database.

WA Flora Checklist: Larix lyallii checklist entry.

E-Flora BC: Larix lyallii atlas page.

CalPhotos: Larix lyallii photos.

USDA Plants: Larix lyallii information.

23 photographs:
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