Dacrydium

Description

Dacrydium is an evergreen tree that belongs to the Podocarpaceae family. It is native to various regions, including Southeast Asia, the Pacific Islands, and South America. This tree is known for its unique appearance, with its branches growing in a zigzag pattern and its leaves growing in two distinct rows. Dacrydium trees can grow up to 50 meters tall, with some species having a more slender build. The bark of the tree is smooth, and its cones are small and berry-like. The wood of Dacrydium trees is highly valued for its durability and strength, making it a popular choice for construction and furniture making.

Taxonomic Information

Domain	Eukarya
Kingdom	Plantae
Phylum	Coniferophyta
Class	Pinopsida
Order	Pinales
Family	Podocarpaceae
Genus	Dacrydium

Appearance

Dacrydium trees have a unique appearance that distinguishes them from other evergreen trees. Their branches grow in a zigzag pattern, creating a distinctive texture. The leaves of Dacrydium trees grow in two distinct rows on either side of the branch, giving the tree a feathery appearance. The leaves of Dacrydium trees are narrow and pointed, with a glossy green color. The cones of the tree are small and berry-like, measuring around 1 cm in diameter. The bark of Dacrydium trees is smooth and grayish-brown in color.

Care Guide

Dacrydium trees require specific care to thrive. Here are some tips to keep your Dacrydium tree healthy:

Water: Dacrydium trees prefer moist soil, so make sure to water them regularly. Avoid overwatering, as this can lead to root rot.

Fertilization: Fertilize your Dacrydium tree during the growing season with a balanced fertilizer.

Soil: Dacrydium trees prefer well-draining soil that is rich in organic matter.

Sunlight: Dacrydium trees prefer partial shade, especially during the hottest part of the day.

Hardiness Zones: Dacrydium trees are hardy in USDA zones 8-10.

Common Pests & Diseases

Dacrydium trees are relatively pest and disease-resistant. However, they can be affected by mealybugs, scale insects, and spider mites. To prevent pest infestations, keep your Dacrydium tree healthy and well-watered. If you notice any signs of pest infestation, treat the tree with an insecticidal soap or neem oil.

Habitat

Dacrydium trees are native to various regions, including Southeast Asia, the Pacific Islands, and South America. They are typically found in moist, tropical forests and can grow in a wide range of soil types. Dacrydium trees are important to the ecosystems where they grow, providing food and habitat for various animals. The wood of the tree is also highly valued for its durability and strength, making it a popular choice for construction and furniture making.

Question and Answer

Q: Can I grow a Dacrydium tree in a container?

A: It is possible to grow a Dacrydium tree in a container, but it is not recommended. These trees can grow quite large, and their roots require ample space to grow.

Q: How often should I fertilize my Dacrydium tree?

A: Fertilize your Dacrydium tree once a month during the growing season with a balanced fertilizer.

Q: What is the best time of year to prune a Dacrydium tree?

A: Prune your Dacrydium tree in late winter or early spring before new growth begins.

Q: Are Dacrydium trees endangered?

A: Some species of Dacrydium trees are considered endangered due to habitat loss and overharvesting for their wood.

Related Plants

Here are some other evergreen trees that are related to Dacrydium:

• Araucaria
• Cephalotaxus
• Cryptomeria
• Lagarostrobos
• Nageia

References

• Farjon, A. (2010). A Handbook of the World’s Conifers: Revised and Updated Edition. Brill Publishers.
• Flora of China Editorial Committee. (1999). Flora of China. Science Press.
• The Gymnosperm Database. (n.d.). Dacrydium. Retrieved from http://www.conifers.org/po/dac/index.htm