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Description
Ophioglossum Lusitanicum, also known as the adder’s tongue fern, is a small fern species that belongs to the family Ophioglossaceae. It is native to Europe and parts of Asia and Africa, and is commonly found in damp meadows and woodland areas. This fern is known for its distinctive morphology, consisting of a single frond that grows up to 30cm long and 1cm wide, with a midrib that branches into two at the tip. The frond is divided into fertile and sterile portions, with the fertile portion being a spike-like structure that produces spores.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Pteridophyta |
| Class | Ophioglossopsida |
| Order | Ophioglossales |
| Family | Ophioglossaceae |
| Genus | Ophioglossum |
Appearance
The adder’s tongue fern has a unique appearance that sets it apart from other fern species. Its frond is slender and elongated, with a green color that fades to brown as it matures. The frond is divided into two portions, with the fertile portion being a spike-like structure that grows at the tip of the frond. This spike is brownish-black in color, and produces spores that are dispersed by the wind. The sterile portion of the frond is green and leaf-like, with a wavy edge that gives it a distinctive appearance.
Care Guide
Ophioglossum Lusitanicum is a hardy fern species that requires minimal care to thrive. Here are some guidelines for caring for this plant:
- Water: Keep the soil moist, but not waterlogged. Water when the top inch of soil feels dry to the touch.
- Fertilization: Fertilize once a month during the growing season with a balanced liquid fertilizer.
- Soil: Plant in well-draining soil that is rich in organic matter. Add perlite or sand to improve drainage if necessary.
- Sunlight: Ophioglossum Lusitanicum prefers partial shade to full shade. Avoid direct sunlight, which can scorch the fronds.
- Hardiness Zones: This plant is hardy in USDA zones 5-9.
Common Pests & Diseases
Ophioglossum Lusitanicum is generally resistant to pests and diseases. However, here are some issues that may occur:
- Spider mites: These tiny pests can infest the plant and cause yellowing and wilting of the fronds. Use an insecticidal soap to control the infestation.
- Root rot: Overwatering can lead to root rot, which can cause the fronds to turn yellow and wilt. Allow the soil to dry out between waterings, and avoid overwatering.
Habitat
Ophioglossum Lusitanicum is native to Europe and parts of Asia and Africa. It is commonly found in damp meadows and woodland areas, where it grows in moist, humus-rich soil. This fern species can also be grown in a garden or container, as long as it is provided with adequate moisture and shade.
Question and Answer
Q: Is Ophioglossum Lusitanicum toxic to pets?
A: No, this fern species is not toxic to pets.
Q: How often should I fertilize Ophioglossum Lusitanicum?
A: Fertilize once a month during the growing season with a balanced liquid fertilizer.
Q: Can I grow Ophioglossum Lusitanicum indoors?
A: Yes, this fern species can be grown indoors as long as it is provided with adequate moisture and shade.
Q: How do I propagate Ophioglossum Lusitanicum?
A: This fern can be propagated by spores or by dividing the rhizome.
Related Plants
- Ophioglossum reticulatum
- Ophioglossum vulgatum
- Ophioglossum azoricum
- Ophioglossum petiolatum
References
- “Ophioglossum Lusitanicum.” The Plant List.
- “Ophioglossum Lusitanicum.” Royal Horticultural Society.
- “Ophioglossum Lusitanicum.” Missouri Botanical Garden.
