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Description
Alsophila Leichhardtiana, commonly known as Leichhardt’s tree fern, is a species of fern that is endemic to Australia. It belongs to the family Cyatheaceae and can grow up to 15 meters in height. The trunk is dark brown in color and covered in fibrous material. The fronds are bipinnate and can reach up to 6 meters in length. The species is named after the explorer Ludwig Leichhardt, who first discovered it in 1845.
Taxonomic Information
| Domain: | Eukaryota |
| Kingdom: | Plantae |
| Phylum: | Pteridophyta |
| Class: | Polypodiopsida |
| Order: | Cyatheales |
| Family: | Cyatheaceae |
| Genus: | Alsophila |
Appearance
Leichhardt’s tree fern has a slender and tall trunk, which can reach up to 60 centimeters in diameter at the base. The trunk is covered in a fibrous material, which is composed of old fronds and roots. The fronds are bipinnate and can reach up to 6 meters in length. They are dark green in color and have a feathery appearance. The species reproduces through spores, which are found on the underside of the fronds.
Care Guide
Leichhardt’s tree fern thrives in a moist and shaded environment. It requires regular watering and should be kept in soil that is well-draining and rich in organic matter. The species prefers a slightly acidic soil with a pH between 5.5 and 6.5. Fertilization should be done during the growing season using a balanced fertilizer. The species is hardy in USDA zones 9 to 11, which means it can tolerate temperatures as low as 20°F.
Common Pests & Diseases
Leichhardt’s tree fern is susceptible to a few pests and diseases. Scale insects can infest the fronds and cause yellowing and wilting. Mealybugs can also be a problem, causing similar symptoms. The species is also prone to fungal diseases, such as root rot and leaf spot. These can be prevented by ensuring proper drainage and avoiding overwatering.
Habitat
Leichhardt’s tree fern is native to the eastern coast of Australia, where it grows in rainforests and wet sclerophyll forests. The species is also found in New Guinea and the Solomon Islands. It prefers a moist and shaded environment and is often found near streams and waterfalls.
Question and Answer
Q: Can Leichhardt’s tree fern be grown indoors?
A: Yes, it can be grown indoors as long as it is placed in a bright and humid location.
Q: How often should Leichhardt’s tree fern be fertilized?
A: Fertilization should be done every two to three months during the growing season.
Q: Can Leichhardt’s tree fern tolerate full sun?
A: No, it prefers a shaded environment and can be damaged by direct sunlight.
Q: How long does it take for Leichhardt’s tree fern to grow?
A: It can take up to 10 years for the species to reach its full height of 15 meters.
Related Plants
– Alsophila australis- Alsophila cooperi- Alsophila darwiniana- Alsophila dealbata- Alsophila dregei
References
– “Alsophila leichhardtiana.” Australian Tropical Rainforest Plants. 2021. https://apps.lucidcentral.org/rainforest/text/entities/alsophila_leichhardtiana.htm- “Cyatheaceae.” The Plant List. 2013. http://www.theplantlist.org/browse/A/Cyatheaceae/- “Leichhardt’s Tree Fern.” Gardening Australia. 2021. https://www.abc.net.au/gardening/factsheets/leichhardts-tree-fern/9420806
