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Description
Phaius Flavus, commonly known as the yellow nun orchid, is a species of terrestrial orchid that belongs to the family Orchidaceae. It is native to Southeast Asia, specifically in Thailand, Cambodia, and Vietnam. This orchid species is named after the Greek word “phaios,” which means dusky, and “flavus,” which means yellow. Its flowers have a greenish-yellow hue and a pleasant scent that attracts pollinators.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Liliopsida |
| Order | Asparagales |
| Family | Orchidaceae |
| Genus | Phaius |
Appearance
Phaius Flavus can grow up to 3 feet tall and has long, lance-shaped leaves that can reach up to 2 feet in length. Its flowers grow in clusters on tall spikes that can grow up to 6 feet tall. Each flower has a greenish-yellow color and a waxy texture. The petals are oval in shape, while the lip is broader and has a frilly edge. The flowers emit a sweet fragrance that smells like vanilla.
Care Guide
Phaius Flavus can thrive in tropical and subtropical regions. Here are some tips on how to take care of this plant:
Water: This orchid species prefers moist soil, so it is important to water it regularly. However, avoid overwatering as it can lead to root rot.
Fertilization: Phaius Flavus requires regular fertilization to promote healthy growth. Use a balanced fertilizer every two weeks during the growing season.
Soil: This orchid species prefers a well-draining soil mix that is rich in organic matter.
Sunlight: Phaius Flavus can grow in partial shade to full sun. However, it is best to avoid direct sunlight as it can damage the leaves and flowers.
Hardiness Zones: This orchid species can grow in USDA hardiness zones 10-12.
Common Pests & Diseases
Phaius Flavus is generally a hardy plant, but it can still be susceptible to pests and diseases. Here are some of the common ones to watch out for:
Thrips: These tiny insects can cause damage to the leaves and flowers of the plant. Use insecticidal soap or neem oil to get rid of them.
Mealybugs: These small, white insects can also cause damage to the plant. Use alcohol or insecticidal soap to kill them.
Fungal Diseases: Phaius Flavus can be prone to fungal diseases such as root rot and leaf spot. Make sure to avoid overwatering and provide good air circulation to prevent these diseases.
Habitat
Phaius Flavus is native to Southeast Asia, specifically in Thailand, Cambodia, and Vietnam. It grows in humid and shady areas, such as forests and riverbanks.
Question and Answer
Q: How often should I water Phaius Flavus?
A: Water Phaius Flavus regularly, but avoid overwatering as it can lead to root rot.
Q: Can Phaius Flavus grow in full sun?
A: Yes, Phaius Flavus can grow in full sun, but it is best to avoid direct sunlight as it can damage the leaves and flowers.
Q: What kind of fertilizer should I use for Phaius Flavus?
A: Use a balanced fertilizer every two weeks during the growing season to promote healthy growth.
Q: How tall can Phaius Flavus grow?
A: Phaius Flavus can grow up to 3 feet tall, and its flowers can grow on spikes up to 6 feet tall.
Related Plants
Here are some orchid species that are related to Phaius Flavus:
- Phaius Amboinensis
- Phaius Blumei
- Phaius Grandifolius
- Phaius Tankervilleae
References
- “Phaius Flavus,” Missouri Botanical Garden, accessed June 14, 2021, https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=244954&isprofile=0&basic=Phaius%20flavus.
- “Phaius Flavus,” Orchids Wiki, accessed June 14, 2021, https://orchids.fandom.com/wiki/Phaius_flavus.
- “Phaius Flavus,” World Checklist of Selected Plant Families, accessed June 14, 2021, http://wcsp.science.kew.org/namedetail.do?name_id=153884.
