Contents
Description
Odontosoria Deltoidea, commonly known as the Delta-Finger Fern, is a fern species native to tropical regions of Asia, including China, India, and Southeast Asia. It is a small fern that grows up to 30cm tall with a rhizome that produces several stipes.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Pteridophyta |
| Class | Polypodiopsida |
| Order | Polypodiales |
| Family | Blechnaceae |
| Genus | Odontosoria |
Appearance
The Delta-Finger Fern has triangular-shaped fronds that are a light green color with a glossy texture. The fronds are pinnate, with narrow, finger-like segments that grow in a delta shape. The fern produces sporangia on the undersides of the fronds.
Care Guide
The Delta-Finger Fern is a low-maintenance plant that is easy to care for. It prefers a well-draining soil that is kept moist but not waterlogged. The fern likes bright, indirect light and should be kept out of direct sun. It can tolerate temperatures between 60-80°F and is hardy in USDA Zones 9-11.
Water
The Delta-Finger Fern prefers consistently moist soil, but it should not be overwatered. Water the plant when the soil feels slightly dry to the touch. It is important to avoid waterlogging the soil, as this can lead to root rot.
Fertilization
The Delta-Finger Fern should be fertilized monthly during the growing season with a balanced, water-soluble fertilizer.
Soil
The Delta-Finger Fern prefers a well-draining soil that is rich in organic matter. A mix of peat moss, perlite, and vermiculite is a good option.
Sunlight
The Delta-Finger Fern likes bright, indirect light and should be kept out of direct sun. It can tolerate some shade.
Hardiness Zones
The Delta-Finger Fern is hardy in USDA Zones 9-11.
Common Pests & Diseases
The Delta-Finger Fern is susceptible to mealybugs, spider mites, and scale insects. It can also be affected by fungal diseases such as leaf spot and root rot. To avoid these problems, ensure the plant is kept in optimal conditions and avoid overwatering.
Habitat
The Delta-Finger Fern is native to tropical regions of Asia, including China, India, and Southeast Asia. It can be found growing in moist, shady areas such as the understory of forests.
Question and Answer
Q: How often should I water my Delta-Finger Fern?
A: Water your Delta-Finger Fern when the soil feels slightly dry to the touch. Be sure to avoid overwatering, as this can lead to root rot.
Q: Can the Delta-Finger Fern tolerate direct sun?
A: No, the Delta-Finger Fern prefers bright, indirect light and should be kept out of direct sun.
Q: What type of soil does the Delta-Finger Fern prefer?
A: The Delta-Finger Fern prefers a well-draining soil that is rich in organic matter. A mix of peat moss, perlite, and vermiculite is a good option.
Q: What pests and diseases are common with the Delta-Finger Fern?
A: The Delta-Finger Fern is susceptible to mealybugs, spider mites, and scale insects. It can also be affected by fungal diseases such as leaf spot and root rot.
Related Plants
- Odontosoria Lindheimeri
- Odontosoria Chinensis
- Odontosoria Pycnosticha
References
- “Odontosoria Deltoidea.” Flora of China, Missouri Botanical Garden, www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=200003056.
- “Delta-Finger Fern (Odontosoria Deltoidea).” The Spruce, Dotdash, www.thespruce.com/delta-finger-fern-odntosoria-deltoidea-1902772.
- “Odontosoria Deltoidea.” World Ferns, www.world-ferns.org/node/562.
