Common Name: Knobcone Pine
|Collection Number: 116.|
Entry Author: Jeff Chichester.
Description: Straight trunk, conical crown.
Needles: Four to five in. length in bundles of three.
Cones: Four to six inches in length asymmetrical base.
Bark: Purple-brown to dark-brown.
Branching Pattern: Ascending slender shoots.
Height: Up to forty ft.
Life Span: Up to eighty years.
Conditions/Habitat/Kind of Forest: Typically found in woodlands at higher elevations.
Range: Northern California to Southern Oregon, United States, also found in Baja California, Mexico.
Ecological Interactions: Western Gray Squirrel consume seeds, Jays also eat from open cones. Pinus attenuata is susceptible to contracting Pitch Cancer, which is a fungus spread by insects that results in a form of resinous cankers located on trunk and branches.
Dendrology at Virginia Tech.
University of Bonn.
USDA Forest Service
Pitch Canker Task Force
This page was created by: Keith Rice,
Muhlenberg College, Jeff Chichester Northampton Community College
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Last updated 03/16/05