Subalpine Fir

Subalpine Fir

Abies lasiocarpa
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Conservation Status: LC

The Subalpine Fir is classified as LC under the IUCN Red List of Threatened Species.

Quick Facts & Botanical Stats

Plant Category
Conifers & Gymnosperms
Growth Habit
Evergreen Conifer Tree
Primary Habitat
High-altitude mountain forests and subalpine timberlines.
Average Lifespan
250 - 300 years
Water Requirement
Medium
Maximum Height
20 - 35 m
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Native Region
Western North America

Species Overview

Subalpine Fir is a spire-like high-altitude conifer adapted to shed heavy mountain snowfall.

Physical Appearance & Anatomy

Extremely narrow, spire-shaped crown with blunt blue-green needles curved upward.

Habitat & Growth Behavior

Shedding snow easily due to its steep, flexible branches and narrow spire shape.

Ecological Role & Symbioses

Provides shelter for mountain goats and grouse during severe winter blizzards.

Reproduction, Lifecycle & Propagation

Produces upright deep-purple cones near the top of the crown.

Conservation Status & Environmental Threats

Stable, though sensitive to warming alpine temperatures.

Interesting Fun Facts

  • Its spire shape is so narrow to prevent heavy winter snowpack from snapping its branches.
  • Near the timberline, it forms stunted, carpet-like shrubs called krummholz.

Related Plants

Coast Redwood

Coast Redwood

Endangered
Sequoia sempervirens

What is a Coast Redwood? Sequoia sempervirens, the coast redwood, is a massive coniferous evergreen tree belonging to the Cupressaceae family. It is the tallest living tree species on Earth, reaching heights of over 115 meters (377 feet). Restricted to a narrow coastal strip in California and Oregon, redwoods are ancient giants that can live for over 2,000 years. They form unique ecosystems characterized by thick bark, massive carbon storage, and a reliance on coastal fog.

Great Basin Bristlecone Pine

Great Basin Bristlecone Pine

Least Concern
Pinus longaeva

What is a bristlecone pine? The Great Basin bristlecone pine (Pinus longaeva) is an extremely long-lived coniferous tree native to the high-altitude mountain ranges of the American Southwest. It is globally famous as the oldest known non-clonal living organism on Earth, with individual trees documented to be over 4,800 years old. Growing in harsh, wind-swept, alpine conditions where other plants cannot survive, these trees grow incredibly slowly, developing dense, resinous wood that resists decay.