Taxonomy
Clade | gymnosperm |
Family | Pinaceae |
Genus | Abies |
Species | concolor |
Common Name | white fir, concolor fir |
iTree Code | ABCO |
Plant Form
Form | Tree: full, pyramidal crown |
Height | 100 feet |
Spread | 30 feet |
Deciduous | Yes |
Identification Description
Foliage | blue-green needles, singly attached via a "suction cup" to the twig, curved upward on twig, citrus odor when crushed |
Leaf Type
|
Needle |
Needles | 1 |
Bark | gray, smooth with few resinous blister; becoming deeply, irregularly ridged with age |
Bud | light brown, conical, blunt, and resinous |
Twig | yellow/green on current year, then gray/brown |
Pollen Cone | male red/violet with male and female on the same tree (monoecious) |
Seed Cone | cone: light pale green to brown during maturation; 3-6" long, 1.5-1.75" wide, cylinder shaped; upright on the stem; deciduous scale leaving a peg; male and female on the same tree (monoecious) |
Fall Color | blue-green |
Site Characteristics
USDA Zones
|
pH Levels | Salt Tolerance |
Min | 3a |
Min | 5.5 |
Soil | Intolerant |
Max | 9b |
Max | 7.8 |
Spray | Intolerant |
Shade Tolerance | Drought Tolerance | Allelopathy |
Intermediate |
Moderate |
No |