Contents
Description
Trigonobalanus is a genus of trees native to Southeast Asia. It belongs to the family Fagaceae and has only one species, Trigonobalanus doichangensis. The tree can grow up to 30 meters tall with a trunk diameter of 60 centimeters. It is known for its large, leathery leaves and its distinctive acorns. Trigonobalanus is highly valued for its timber, which is used in construction and furniture making.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Fagales |
| Family | Fagaceae |
| Genus | Trigonobalanus |
Appearance
Trigonobalanus has large, leathery leaves that can grow up to 30 centimeters long and 20 centimeters wide. The leaves are glossy and dark green in color. The tree’s bark is grayish-brown and becomes deeply fissured as the tree ages. Trigonobalanus produces distinctive acorns that are about 2 centimeters long and have a triangular shape. The acorns are encased in a furry cap that splits open as the acorn matures.
Care Guide
Trigonobalanus prefers well-drained soil that is rich in organic matter. The tree should be watered regularly, especially during dry periods. Fertilizer can be applied in the spring and fall to promote growth. Trigonobalanus prefers full sun but can tolerate some shade. The tree is hardy to USDA zones 9b-11.
Common Pests & Diseases
Trigonobalanus can be susceptible to oak wilt, a fungal disease that can cause the tree to wilt and die. The tree can also be attacked by borers and other insects. Proper care, including regular watering and fertilization, can help prevent these problems.
Habitat
Trigonobalanus is native to Southeast Asia, where it grows in lowland and montane forests. The tree prefers moist, well-drained soil and can be found at elevations up to 1,500 meters.
Question and Answer
Q: Is Trigonobalanus an endangered species?
A: Yes, Trigonobalanus is considered a vulnerable species due to habitat loss and overexploitation for its timber.
Q: Can Trigonobalanus be grown as a bonsai?
A: Yes, Trigonobalanus can be grown as a bonsai. Its large leaves can be reduced through regular pruning.
Q: What is the wood of Trigonobalanus used for?
A: The wood of Trigonobalanus is highly valued for its strength and durability. It is used in construction, furniture making, and boat building.
Q: How long does it take for Trigonobalanus to produce acorns?
A: Trigonobalanus typically produces acorns after 10-15 years of growth.
Related Plants
- Fagus grandifolia
- Quercus alba
- Castanopsis cuspidata
References
- “Trigonobalanus doichangensis.” International Union for Conservation of Nature and Natural Resources. https://www.iucnredlist.org/species/194563/2363664
- “Trigonobalanus.” Flora of China. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=135094
- “Trigonobalanus doichangensis.” Plant Resources of Southeast Asia. https://uses.plantnet-project.org/en/Trigonobalanus_doichangensis_(PROSEA)
