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Home > Pine > Limber Pine

Limber Pine

The very durable Limber Pine is a species of high-elevation, evergreen coniferous trees typically found in the mountainous regions of the Western US, Canada, and Mexico. These trees have an initial pyramidal structure but at maturity, their crown becomes more rounded, while those limber pines growing in high alpine sites are relatively shorter with a shrubby and twisted form.

Limber Pine

Limber Pine

Limber Pine Bonsai

Limber Pine Bonsai

Scientific Classification

Kingdom Plantae
Division Pinophyta
Class Pinopsida
Order Pinales
Family Pinaceae
Genus Pinus
Subgenus Strobus
Scientific Name Pinus flexilis
Vanderwolf Pine

Vanderwolf Pine

Limber Pine Tree

Limber Pine Tree

Vanderwolf Pine Pictures

Vanderwolf Pine Pictures

Quick Information

Other Names Limbertwig, pino (in Spanish), pin blanc de l’ouest (in French), Rocky Mountain pine
Other Related Species Pinus albicaulis (Whitebark pine), Pinus monticola (Western white pine)
Size 10-25 m (33-82 ft) tall, trunk diameter of 60-200 cm
Leaves Occur in groups of five needles, clustered at the tip of the twigs, 3-9 cm long, dark green or bluish green, rows of white stomatal lines cover the entire length, persist 5-6 years
Cones Large, cylindrical; 8-20 cm long, yellowish-brown, thickened and sticky scales at the tip; nut-like, wingless seeds
Bark Nearly smooth, light gray turning into dark brown, ridges and scaly plates developing with age; twigs are smooth, stout, and flexible, silvery white to grayish
Distribution/Range Rocky Mountains, Alberta, British Columbia (in Canada); New Mexico, Texas, SE California, Northern Arizona, Nevada, Utah (in the US); isolated localities in Coahuila, Chihuahua, Sonora, and Nuevo Leon (in Mexico)
Hardiness Zones 4-7
Growth Rate Slow
Lifespan Long-lived species, some trees live for over 1000 years
Growing Conditions Winter Conditions: Grows in regions with very cold and dry winters, tolerates rapid temperature fluctuations

Summer Conditions: Warm and slightly humid summers as found in places with Continental and Pacific maritime climates

Rain: Low to moderate amount of precipitation, especially during its growing season

Sunlight: Partial or full sun

Soil Requirements: Sand, loam, alkaline, clay, acidic, well-drained, moist

Problems/Diseases/Pests Butt rot, red-brown butt rot, red ring rot, brown cubical rot; white-pine blister rust, lodgepole-pine dwarf mistletoe, limber-pine dwarf mistletoe, and Douglas-fir dwarf mistletoe; insects such as budworm, cone moth, wooly aphid, and mountain pine beetle attack these trees
Flowering/Fruiting Male strobili are formed during the spring, after which the female strobili emerge; pollen grains are shed during June-July, fertilization occurs in the spring/early summer, seeds are dispersed between September and October
Seed production Every 2-4 years, seeds are borne from 20-40 years of age
Wildlife Value Clark’s nutcrackers and red squirrels feed on limber pine seeds and cache them for future use; American black bears also raid these caches for pine “nuts”; the trees are used as nesting sites by mountain bluebirds, squirrels, and Northern Flickers
Cultivars
  • Pinus flexilis cv. ‘Columnaris’
  • inus flexilis cv. ‘Glauca’
  • Pinus flexilis cv. ‘Glauca Pendula’
  • Pinus flexilis cv. ‘Glenmore Dwarf’
  • Pinus flexilis cv. ‘Nana’
  • Pinus flexilis cv. ‘Pendula’
  • Pinus flexilis cv. ‘Vanderwolf’s Pyramid’
Uses Vanderwolf Pine is used as an ornamental tree in gardening; southwestern white pine in landscaping; makes a good Christmas tree
Identification Some isolated populations are found at lower elevations, its large woody cones open when dry; its long needles do not have resin dots
IUCN Conservation Status Least Concern
Vanderwolf Pine Tree

Vanderwolf Pine Tree

Limber Pine Pictures

Limber Pine Pictures

Limber Pine Bark

Limber Pine Bark

Interesting Facts

  • The oldest known limber pine tree, found in Eagle Cap Wilderness in the US state of Oregon, is believed to be more than 2000 years old. Another limber pine named “Twister” in the Alta Ski Area, Utah, is more than 1700 years old.
  • These trees are highly adaptable to harsh conditions and are tolerant to drought. Some horticulturists believe that the limber pine can grow under unfavorable cultural conditions including compacted clay soil.
  • The limber pine’s scientific name, as well as the common name, refers to its flexible wood and twigs, a great adaptation that helps in dealing with heavy ice and snowpack.
Limber Pine Cone

Limber Pine Cone

Limber Pine Needles

Limber Pine Needles

References:

  1. https://en.wikipedia.org/wiki/Pinus_flexilis
  2. https://extension.usu.edu/rangeplants/shrubs-and-trees/LimberPine
  3. https://www.for.gov.bc.ca/hfd/library/documents/treebook/limberpine.htm
  4. https://www.iucnredlist.org/species/42363/2975338
  5. https://extension.usu.edu/rangeplants/shrubs-and-trees/LimberPine

Published on April 19th 2016 by admin under Pine.
Article was last reviewed on 5th December 2022.

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