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Description
Elaeocarpus Tonganus, also known as the Pacific Blueberry Tree or Kanaloa, is a species of flowering tree in the family Elaeocarpaceae. It is native to the Pacific Islands, including Hawaii, Fiji, Samoa, and Tonga. The tree can grow up to 50 feet tall and has a dense, symmetrical crown with dark green, glossy leaves that are 4-6 inches long. The tree produces small, white or pink flowers that bloom in clusters and eventually turn into blue, edible fruits that are about the size of a blueberry.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Oxalidales |
| Family | Elaeocarpaceae |
| Genus | Elaeocarpus |
Appearance
The Pacific Blueberry Tree has a slender trunk that can reach up to 3 feet in diameter. The bark is grayish-brown and smooth when young, but becomes rough and furrowed with age. The branches are slender, spreading, and drooping, giving the tree a graceful appearance. The leaves are ovate, leathery, and dark green with a glossy surface. The flowers are small and bell-shaped, with five petals and a white or pink color. The fruits are blue, round or oblong, and about 1/4 to 1/2 inch in diameter.
Care Guide
The Pacific Blueberry Tree is a relatively low-maintenance tree that thrives in tropical and subtropical climates. Here are some tips for caring for your Elaeocarpus Tonganus:
- Water: The tree prefers consistent moisture, so water it regularly but avoid overwatering.
- Fertilization: Fertilize the tree with a balanced, slow-release fertilizer in the spring and fall.
- Soil: The tree prefers well-draining, slightly acidic soil.
- Sunlight: The tree prefers full sun but can tolerate partial shade.
- Hardiness Zones: The tree is hardy in USDA zones 10-11.
Common Pests & Diseases
The Pacific Blueberry Tree is relatively pest and disease-resistant, but it can be susceptible to mealybugs, scale insects, and root rot. Regular inspections and treatments can prevent these issues.
Habitat
Elaeocarpus Tonganus is native to the Pacific Islands, where it grows in tropical and subtropical forests at elevations up to 4,000 feet. The tree prefers well-draining soil and a warm, humid climate.
Question and Answer
Q: Can the fruits of the Pacific Blueberry Tree be eaten?
A: Yes, the fruits are edible and have a sweet, slightly tart flavor. They are often used in jams, jellies, and pies.
Q: Does the Pacific Blueberry Tree have any medicinal uses?
A: Yes, various parts of the tree have been used in traditional medicine for their anti-inflammatory, analgesic, and antimicrobial properties.
Q: How fast does the Pacific Blueberry Tree grow?
A: The tree can grow up to 2 feet per year under optimal conditions.
Q: Is the Pacific Blueberry Tree a good choice for landscaping?
A: Yes, the tree’s graceful shape, glossy leaves, and unique flowers and fruits make it a beautiful addition to any tropical or subtropical landscape.
Related Plants
- Elaeocarpus Decipiens
- Elaeocarpus Ganitrus
- Elaeocarpus Grandis
- Elaeocarpus Reticulatus
References
- “Elaeocarpus Tonganus.” Floridata. Accessed 17 May 2022. https://floridata.com/plant/1547
- “Elaeocarpus Tonganus.” Plantz Africa. Accessed 17 May 2022. https://pza.sanbi.org/elaeocarpus-tonganus
- “Pacific Blueberry Tree.” University of Florida IFAS Extension. Accessed 17 May 2022. https://edis.ifas.ufl.edu/publication/ST518
