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Description
Pronephrium Gymnopteridifrons, also known as the naked-stalked spleenwort, is a small fern belonging to the family Athyriaceae. It is native to Asia, including China, Japan, and Korea. This fern is characterized by its fronds, which grow up to 30cm long and 7cm wide. The fronds are bipinnate and have a dark green color. The naked-stalked spleenwort is an evergreen fern that is commonly grown in gardens as an ornamental plant.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Pteridophyta |
| Class | Polypodiopsida |
| Order | Polypodiales |
| Family | Athyriaceae |
| Genus | Pronephrium |
Appearance
The naked-stalked spleenwort has a unique appearance that sets it apart from other ferns. Its fronds are long and narrow, with a bipinnate structure that gives them a delicate look. The fronds are a dark green color and have a slightly glossy texture. The naked-stalked spleenwort is an evergreen fern, which means it retains its foliage year-round.
Care Guide
To care for Pronephrium Gymnopteridifrons, you should start by planting it in well-draining soil that is rich in organic matter. The soil should be kept moist but not overly wet, as this can lead to root rot. This fern prefers partial shade but can tolerate some direct sunlight. It is hardy to USDA zones 7-10.Watering: The naked-stalked spleenwort should be watered regularly, but not excessively. It is best to water it deeply once a week rather than giving it frequent shallow watering.Fertilization: This fern does not require frequent fertilization. However, you can fertilize it with a balanced fertilizer once or twice a year in the spring and fall.Soil: The soil should be well-draining and rich in organic matter.Sunlight: The naked-stalked spleenwort prefers partial shade but can tolerate some direct sunlight.Hardiness Zones: This fern is hardy to USDA zones 7-10.
Common Pests & Diseases
The naked-stalked spleenwort is relatively pest and disease-free. However, it can sometimes be attacked by mealybugs, spider mites, and scale insects. These pests can be controlled by washing the plant with a strong jet of water or using an insecticidal soap.
Habitat
The naked-stalked spleenwort is native to Asia, including China, Japan, and Korea. It grows in moist, shady areas such as forests and rocky slopes.
Question and Answer
Q: Can Pronephrium Gymnopteridifrons grow in full sun?
A: While this fern prefers partial shade, it can tolerate some direct sunlight.Q: Is the naked-stalked spleenwort an evergreen fern?
A: Yes, this fern retains its foliage year-round.Q: What is the best way to control pests on Pronephrium Gymnopteridifrons?
A: Pests such as mealybugs, spider mites, and scale insects can be controlled by washing the plant with a strong jet of water or using an insecticidal soap.Q: Can this fern tolerate drought?
A: No, the naked-stalked spleenwort prefers moist soil and cannot tolerate drought.
Related Plants
Here are some related plants in the Athyriaceae family:
- Athyrium niponicum
- Athyrium filix-femina
- Athyrium otophorum
- Athyrium pycnocarpon
- Athyrium distentifolium
References
- Flora of China
- RHS Plants
- Gardenia
- Missouri Botanical Garden
