Contents
Description
Engelhardia Roxburghiana is a deciduous tree that is native to South and Southeast Asia. It belongs to the Juglandaceae family and is also known as Indian Walnut, Bolo, or Gethi. The tree can grow up to 30 meters tall and has a broad crown. The bark is light brown, and the leaves are large, compound, and alternate. The fruit is a drupe that is round to oblong in shape and contains one or two seeds.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Fagales |
| Family | Juglandaceae |
| Genus | Engelhardia |
Appearance
Engelhardia Roxburghiana has large, compound, alternate leaves that are 25-75 cm long and 15-45 cm wide. The leaves are dark green in color and have a rough texture. The tree produces male and female flowers on separate trees. The male flowers are yellow-green catkins that are up to 15 cm long, while the female flowers are small and inconspicuous. The fruit is a drupe that is 2.5-5 cm in diameter and contains one or two seeds. The outer layer of the fruit is green when immature and turns brown when ripe.
Care Guide
Engelhardia Roxburghiana prefers well-drained soil that is rich in organic matter. It can tolerate a range of soil types, including sandy, loamy, and clay soils. The tree requires regular watering, especially during the first few years of growth. Fertilize the tree with a balanced fertilizer in the spring and fall. The tree prefers full sun but can tolerate partial shade. It is hardy in USDA zones 9-11.
Common Pests & Diseases
Engelhardia Roxburghiana is susceptible to various pests and diseases. Some of the common pests include aphids, spider mites, and mealybugs. These pests can cause damage to the tree by feeding on the leaves and stems. The tree is also susceptible to fungal diseases, such as anthracnose and powdery mildew. These diseases can cause leaf drop and can weaken the tree over time.
Habitat
Engelhardia Roxburghiana is native to South and Southeast Asia and can be found in India, Nepal, Pakistan, and China. The tree grows in a variety of habitats, including deciduous forests, riverbanks, and hillsides. It is commonly used for shade and as a timber tree.
Question and Answer
Q: Can Engelhardia Roxburghiana tolerate cold temperatures?
A: No, the tree is not cold hardy and cannot tolerate temperatures below 20°F.
Q: How often should Engelhardia Roxburghiana be watered?
A: The tree should be watered regularly, especially during the first few years of growth. Water deeply once a week during the growing season.
Q: Can Engelhardia Roxburghiana grow in containers?
A: Yes, the tree can be grown in containers, but it will require frequent watering and fertilization.
Q: Does Engelhardia Roxburghiana produce edible fruit?
A: Yes, the fruit is edible, and the seeds can be roasted and eaten.
Related Plants
- Engelhardia Spicata
- Engelhardia Sericata
- Engelhardia Tomentosa
References
- “Engelhardia Roxburghiana.” PlantNET. Accessed 14 May 2021. <http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Engelhardia~roxburghiana>.
- “Engelhardia Roxburghiana.” Missouri Botanical Garden. Accessed 14 May 2021. <https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=282500>.
- “Engelhardia Roxburghiana.” Flora of China. Accessed 14 May 2021. <http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242323982>.
