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Description
Platanthera Orbiculata, commonly known as the Western Round-leaved Orchid, is a terrestrial orchid species native to North America. It typically grows from 20 to 70 cm in height and produces a single stem with two to five leaves. The flowers of Platanthera Orbiculata are white, fragrant, and arranged in a dense spike that can hold up to 50 flowers.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Liliopsida |
| Order | Asparagales |
| Family | Orchidaceae |
| Genus | Platanthera |
Appearance
The Western Round-leaved Orchid has a unique appearance with its rounded leaves and fragrant white flowers. The leaves of this orchid are broad, smooth, and can grow up to 15 cm long. The flowers are arranged in a dense spike that can grow up to 15 cm in length. Each flower has three sepals and three petals, with the upper petal forming a hood over the reproductive structures.
Care Guide
Platanthera Orbiculata prefers a moist soil that is well-drained and rich in organic matter. It should be watered regularly, especially during periods of drought. Fertilization is not necessary, but a balanced fertilizer can be applied during the growing season. This orchid should be planted in a location that receives partial shade to full sun. It can tolerate cold temperatures and is hardy in USDA hardiness zones 3 to 8.
Common Pests & Diseases
The Western Round-leaved Orchid is generally pest and disease-free. However, it can be susceptible to root rot if the soil is too wet. This orchid can also be affected by fungal diseases, such as powdery mildew and rust.
Habitat
Platanthera Orbiculata can be found in a variety of habitats, including moist meadows, forests, and wetlands. It is native to North America and can be found from Alaska to California and eastward to the Great Plains.
Question and Answer
Q: Can Platanthera Orbiculata be grown indoors?
A: While it is possible to grow Platanthera Orbiculata indoors, it is not recommended. This orchid requires specific growing conditions and is better suited for outdoor cultivation.
Q: How often should I water Platanthera Orbiculata?
A: Platanthera Orbiculata should be watered regularly, especially during periods of drought. The soil should be kept moist but not waterlogged.
Q: Does Platanthera Orbiculata require fertilization?
A: Fertilization is not necessary for Platanthera Orbiculata, but a balanced fertilizer can be applied during the growing season to promote healthy growth.
Q: What is the blooming period of Platanthera Orbiculata?
A: Platanthera Orbiculata typically blooms from June to August.
Related Plants
- Platanthera Dilatata
- Platanthera Hyperborea
- Platanthera Leucophaea
- Platanthera Praeclara
References
- USDA Plants Database. (2021). Platanthera orbiculata (Pursh) Lindl. ex Beck. Retrieved from https://plants.usda.gov/home/plantProfile?symbol=PLOA2
- The Native Plant Society of Saskatchewan. (n.d.). Western Round-leaved Orchid. Retrieved from https://www.npss.sk.ca/native_plants/plant_finder/plant.php?id=247
- Missouri Botanical Garden. (n.d.). Platanthera orbiculata. Retrieved from https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=279491&isprofile=1&basic=Platanthera%20orbiculata
