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Description
Citrus Glauca, commonly known as the Australian desert lime, is a small tree or shrub native to Australia. It belongs to the Rutaceae family and is a close relative of other citrus fruits such as oranges, lemons, and grapefruits. The plant has green, glossy leaves and produces small, round, green fruits that turn yellow when ripe. The fruit is highly acidic and has a sour, tangy taste with a hint of bitterness. It is often used in cooking as a substitute for lemons or limes and in the production of marmalades and jams.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Sapindales |
| Family | Rutaceae |
| Genus | Citrus |
Appearance
The Australian desert lime is a small tree or shrub that can grow up to 6 meters tall. It has green, glossy leaves that are elliptical in shape and can grow up to 6 cm long. The plant produces small, round, green fruits that turn yellow when ripe. The fruit is about 2-3 cm in diameter and has a thin, smooth skin. The pulp is juicy and contains numerous small seeds.
Care Guide
The Australian desert lime requires regular watering, especially during the hot, dry summer months. It prefers well-drained soil that is slightly acidic, with a pH between 5.5 and 6.5. Fertilize the plant with a citrus-specific fertilizer every three months during the growing season. The plant needs full sun to produce fruit and is hardy in USDA hardiness zones 9-11.
Common Pests & Diseases
The Australian desert lime is susceptible to a variety of pests and diseases, including aphids, spider mites, and citrus leafminer. These pests can cause damage to the leaves and fruit of the plant. The plant is also susceptible to fungal diseases such as root rot and citrus canker. Regular monitoring and treatment with insecticides and fungicides can help prevent these issues.
Habitat
The Australian desert lime is native to Australia and is found in the arid regions of the country. The plant can tolerate hot, dry conditions and is often found in rocky, sandy soils. It can also tolerate some frost and is hardy in USDA hardiness zones 9-11.
Questions and Answers
Q: How do I know when my Australian desert lime is ripe?
A: The fruit of the Australian desert lime turns from green to yellow when it is ripe. The fruit should also give slightly when gently squeezed.
Q: Can I grow an Australian desert lime in a container?
A: Yes, the Australian desert lime can be grown in a container as long as it is kept in a warm, sunny location and given regular water and fertilizer.
Q: Can I grow an Australian desert lime from seed?
A: Yes, the Australian desert lime can be grown from seed. However, it may take several years for the plant to produce fruit.
Q: How often should I fertilize my Australian desert lime?
A: Fertilize the plant every three months during the growing season with a citrus-specific fertilizer.
Related Plants
- Citrus Aurantium
- Citrus Limon
- Citrus Paradisi
References
- “Citrus glauca.” Floridata. Available online: https://floridata.com/plant/1126
- “Australian desert lime.” The University of Arizona Cooperative Extension. Available online: https://cals.arizona.edu/yavapai/anr/hort/byg/archive/australiandesertlime.html
- “Citrus Glauca.” Australian National Botanic Gardens. Available online: https://www.anbg.gov.au/gnp/gnp3/citrus-glauca.html
