Contents
Description
Juglandaceae is a family of deciduous trees commonly known as the Walnut Family. This family includes 8 genera and approximately 60 species. The trees in this family are known for their edible nuts, which are enclosed in a hard shell. They are also valued for their wood, which is often used for furniture and flooring.Some of the most well-known trees in this family include the black walnut (Juglans nigra), the English walnut (Juglans regia), and the pecan (Carya illinoinensis).
Taxonomic Information
| Domain| Eukaryota || Kingdom| Plantae|| Phylum| Spermatophyta || Class| Magnoliopsida || Order| Fagales|| Family| Juglandaceae || Genus| Carya||| Juglans||| Platycarya ||| Pterocarya ||| Cyclocarya ||| Alfaroa||| Engelhardia ||| Rhoiptelea |
Appearance
Most trees in the Juglandaceae family are large, deciduous trees that can reach heights of up to 100 feet. The leaves are typically compound, with 5 to 25 leaflets. The bark is often deeply furrowed and can be gray, black, or brown. The nuts produced by trees in this family are enclosed in a hard, woody shell. The shell is often difficult to crack and can be used to make crafts or jewelry. The nuts themselves are edible and are used in a variety of culinary dishes.
Care Guide
Water: Trees in the Juglandaceae family prefer well-draining soil and require regular watering, especially during the first few years of growth. Fertilization: Fertilize trees in this family in the early spring with a balanced fertilizer that contains nitrogen, phosphorus, and potassium.Soil: Trees in this family prefer slightly acidic soil and require good drainage. Sunlight: Trees in this family prefer full sun exposure.Hardiness Zones: Trees in the Juglandaceae family grow best in USDA hardiness zones 4 to 9.
Common Pests & Diseases
Trees in the Juglandaceae family are susceptible to a variety of pests and diseases. Some of the most common pests include walnut weevils, aphids, and scale insects. Diseases that can affect these trees include anthracnose, powdery mildew, and bacterial leaf scorch.
Habitat
Trees in the Juglandaceae family are native to North and South America, Europe, and Asia. They can be found in a variety of habitats, including woodlands, savannas, and floodplains.
Question and Answer
Q: Are all trees in the Juglandaceae family deciduous?
A: Yes, all trees in this family are deciduous.Q: What is the most commonly cultivated tree in this family?
A: The most commonly cultivated tree in the Juglandaceae family is the English walnut (Juglans regia).Q: What is the primary use for the wood of trees in this family?
A: The wood of trees in the Juglandaceae family is often used for furniture and flooring.Q: Are the nuts produced by trees in this family edible?
A: Yes, the nuts produced by trees in this family are edible.
Related Plants
– Fagaceae (Oak family)- Betulaceae (Birch family)- Rosaceae (Rose family)
References
– “Juglandaceae” by The Editors of Encyclopaedia Britannica. Encyclopedia Britannica, 20 Nov. 2018, https://www.britannica.com/plant/Juglandaceae.- “Juglandaceae (Walnut Family).” Illinois Wildflowers, https://www.illinoiswildflowers.info/trees/plants/walnut_family.html.
