Contents
Description
Abies Lasiocarpa Var. Arizonica, commonly known as the Arizona corkbark fir, is a variant of the Abies Lasiocarpa species. It is a rare and unique tree that is native to Arizona and grows at an altitude of 6,000 to 11,000 feet. The tree has a narrow, conical shape with a dense crown and can reach a height of up to 50 feet. It has a corky bark that is grayish-brown in color and deeply furrowed. The leaves are needle-like, about 1 inch long and are bluish-green in color. The cones are erect, cylindrical and about 5 inches long. The Arizona corkbark fir is a slow-growing tree that can live up to 200 years.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Pinophyta |
| Class | Pinopsida |
| Order | Pinales |
| Family | Pinaceae |
| Genus | Abies |
| Species | Lasiocarpa |
| Variant | Arizonica |
Appearance
The Arizona corkbark fir has a unique appearance that sets it apart from other trees. Its narrow, conical shape and dense crown make it an attractive addition to any landscape. The bluish-green needle-like leaves give it a soft, delicate look. The corky bark is deeply furrowed and has a grayish-brown color that provides a stark contrast to the bluish-green leaves. The erect, cylindrical cones add to the tree’s beauty and can stay on the tree for many years.
Care Guide
The Arizona corkbark fir is a low-maintenance tree that requires minimal care. Here are some tips to help you care for your tree:
- Water: Water your tree deeply once a week during the growing season. Reduce watering during the winter months.
- Fertilization: Fertilize your tree once a year in the spring with a slow-release fertilizer.
- Soil: The Arizona corkbark fir prefers well-draining soil that is rich in organic matter.
- Sunlight: The tree prefers full sun to partial shade.
- Hardiness Zones: The Arizona corkbark fir is hardy in USDA zones 4 to 7.
Common Pests & Diseases
The Arizona corkbark fir is not susceptible to many pests or diseases. However, here are some of the common pests and diseases that may affect the tree:
- Aphids: Aphids can cause damage to the tree by sucking sap from the leaves. They can be controlled with insecticidal soap.
- Spider Mites: Spider mites can cause discoloration and damage to the leaves. They can be controlled with insecticidal soap.
- Needle Cast: Needle cast is a fungal disease that causes the needles to turn brown and fall off. It can be controlled with fungicide.
- Canker Disease: Canker disease is a fungal disease that causes lesions on the bark. It can be controlled with fungicide.
Habitat
The Arizona corkbark fir is native to Arizona and is found in the mountainous regions at an altitude of 6,000 to 11,000 feet. It grows in well-draining soil and prefers full sun to partial shade. The tree is well-adapted to the harsh weather conditions in Arizona and can survive in drought conditions.
Question and Answer
Q: Is the Arizona corkbark fir a fast-growing tree?
A: No, the Arizona corkbark fir is a slow-growing tree that can take many years to reach its full height.
Q: Can the Arizona corkbark fir be grown in a container?
A: No, the Arizona corkbark fir is not suitable for container growing as it requires a lot of space to grow.
Q: Does the Arizona corkbark fir require pruning?
A: No, the Arizona corkbark fir does not require pruning as it has a natural conical shape.
Q: Is the Arizona corkbark fir a rare tree?
A: Yes, the Arizona corkbark fir is a rare tree that is only found in Arizona.
Related Plants
- Abies Concolor
- Abies Magnifica
- Abies Procera
- Abies Veitchii
References
- “Abies Lasiocarpa Var. Arizonica.” Utah State University Forestry Extension. https://forestry.usu.edu/trees-crops-and-plants/tree-care-information/trees-and-plants/abies-lasiocarpa-var-arizonica
- “Abies Lasiocarpa Var. Arizonica.” The Gymnosperm Database. http://www.conifers.org/pi/Abies_lasiocarpa_arizonica.php
- “Arizona Corkbark Fir.” Arizona State University. https://cals.arizona.edu/yavapaiplants/SpeciesDetailTrees.php?genus=Abies&species=lasiocarpa_arizonica
