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Description
Dimocarpus Longan, also known as longan fruit, is a tropical evergreen tree that belongs to the Sapindaceae family. It is native to Southeast Asia and has been cultivated in China for over 2,000 years. The tree can grow up to 20-30 feet and produces small, round, white-fleshed fruits with a single seed, which are similar in appearance to lychees but have a sweeter taste. The fruit is commonly used in Asian cuisine and has various medicinal properties, including improving digestion and boosting the immune system.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Angiospermae |
| Class | Dicotyledonae |
| Order | Sapindales |
| Family | Sapindaceae |
| Genus | Dimocarpus |
Appearance
The Dimocarpus Longan tree has a dense, spreading crown with dark green, glossy leaves that are 5-12 inches long. The tree produces clusters of small, fragrant flowers that are white or pale yellow in color. The fruit is round, approximately 1 inch in diameter, with a thin, brownish-red shell that is easily peeled. The fruit’s translucent, white flesh is sweet and juicy with a small, brown seed in the center.
Care Guide
Dimocarpus Longan trees require regular watering, especially during the growing season. Fertilize the tree with a balanced fertilizer in the spring and summer. The tree prefers well-draining soil and can tolerate full sun or partial shade. The tree can grow in USDA hardiness zones 9-11.
Common Pests & Diseases
The Dimocarpus Longan tree is susceptible to various pests and diseases, including scale insects, mealybugs, spider mites, and fruit flies. The tree can also be affected by root rot, leaf spot, and powdery mildew. It is recommended to regularly inspect the tree and treat any pest or disease issues promptly.
Habitat
The Dimocarpus Longan tree is native to Southeast Asia and is primarily grown in tropical and subtropical regions, including China, Thailand, and Vietnam. The tree prefers warm, humid climates and can grow in a variety of soils.
Question and Answer
Q: How do you propagate Dimocarpus Longan?
A: The tree can be propagated by seed or by grafting. Grafting is the preferred method as it produces fruit more quickly and is more reliable.
Q: How long does it take for a Dimocarpus Longan tree to bear fruit?
A: It takes approximately 3-5 years for the tree to bear fruit.
Q: What is the nutritional value of Dimocarpus Longan fruit?
A: The fruit is low in calories and high in vitamin C, potassium, and copper.
Q: What is the shelf life of Dimocarpus Longan fruit?
A: The fruit can be stored in the refrigerator for up to 2 weeks.
Related Plants
- Litchi chinensis
- Nephelium lappaceum
- Sapindus mukorossi
- Blighia sapida
References
- “Longan Fruit – Dimocarpus longan.” Purdue University Center for New Crops & Plant Products, https://hort.purdue.edu/newcrop/morton/longan_fruit.html. Accessed 15 Nov. 2021.
- “Longan.” Missouri Botanical Garden, http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=d205. Accessed 15 Nov. 2021.
- “Dimocarpus longan.” Plant Village, https://www.plantvillage.com/en/topics/longan/infos/diseases_and_pests_description_uses_propagation. Accessed 15 Nov. 2021.
