Bischofia Javanica

Description

Bischofia javanica, also known as Bishopwood, is a fast-growing deciduous tree that is native to southeast Asia. It belongs to the family Euphorbiaceae, which includes over 7,500 species of flowering plants. The tree can grow up to 25 meters tall and has a broad, spreading canopy. Its leaves are large, glossy, and oval-shaped, measuring up to 25 centimeters long and 15 centimeters wide. The tree produces small, greenish-yellow flowers in clusters, which are followed by spherical, red or orange fruits that are about 1 centimeter in diameter.

Taxonomic Information

Appearance

The Bischofia Javanica has an attractive appearance, making it a popular choice for landscaping and ornamental purposes. The tree features a broad, spreading canopy that provides ample shade. Its leaves are large, glossy, and oval-shaped, measuring up to 25 centimeters long and 15 centimeters wide, and turn yellow or red in the autumn. The tree produces small, greenish-yellow flowers in clusters, which are followed by spherical, red or orange fruits that are about 1 centimeter in diameter. Its bark is smooth and grey, which changes with age and becomes rough and dark brown.

Care Guide

The Bischofia Javanica is relatively easy to care for, making it a great choice for both novice and experienced gardeners. Here are some tips for growing and caring for this plant:

• Water: The tree requires regular watering, especially during the first year of growth. Keep the soil moist but not waterlogged.
• Fertilization: Apply a balanced fertilizer during the growing season to promote healthy growth.
• Soil: The tree can tolerate a wide range of soil types, but prefers well-draining soil that is slightly acidic.
• Sunlight: The Bischofia Javanica thrives in full sun to partial shade.
• Hardiness Zones: The tree is hardy in USDA zones 9 to 11.

Common Pests & Diseases

The Bischofia Javanica is relatively resistant to pests and diseases, but some common issues include:

• Aphids: These small insects can cause damage to the tree by sucking the sap from the leaves. Use insecticidal soap or neem oil to control them.
• Caterpillars: Certain species of caterpillars can defoliate the tree. Use Bacillus thuringiensis (Bt) or spinosad to control them.
• Root rot: Overwatering or poorly draining soil can lead to root rot. Improve drainage and reduce watering to prevent this issue.

Habitat

The Bischofia Javanica is native to southeast Asia, where it is commonly found in lowland forests, hillsides, and riverbanks. The tree can grow in a wide range of soil types and tolerates both dry and moist conditions. It is a fast-growing tree that can reach maturity in as little as 10 to 15 years. The tree has been introduced to other parts of the world, including Hawaii, where it is considered an invasive species.

Question and Answer

Q: Is the Bischofia Javanica a good shade tree?

A: Yes, the Bischofia Javanica is an excellent shade tree due to its broad, spreading canopy.

Q: Can the tree tolerate drought conditions?

A: Yes, the Bischofia Javanica is relatively drought-tolerant once established, but it still requires regular watering.

Q: Does the tree produce any toxic parts?

A: Yes, the Bischofia Javanica produces a milky sap that can cause skin irritation and is toxic if ingested.

Q: Can the tree be grown in a container?

A: No, the Bischofia Javanica is not suitable for container growing due to its large size and fast growth rate.

Related Plants

• Bischofia polycarpa
• Bischofia trifoliata
• Macaranga tanarius
• Pterocarpus indicus

References

• “Bischofia javanica.” Royal Botanic Gardens, Kew. Accessed 23 August 2021. https://www.kew.org/science/tropamerica/imagedatabase/name/bischofia-javanica.
• “Bischofia javanica.” Missouri Botanical Garden. Accessed 23 August 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c366.
• “Bischofia javanica.” Hawaii Invasive Species Council. Accessed 23 August 2021. https://dlnr.hawaii.gov/hisc/info/species/bischofia-javanica/.