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Description
Acianthera Cogniauxiana, also known as the small-flowered Pleurothallis, is a small epiphytic orchid species native to South America. It belongs to the Orchidaceae family and is one of the most popular orchids among collectors due to its unique appearance and relatively easy care. Acianthera Cogniauxiana produces small, fragrant flowers that bloom in clusters, making it a beautiful addition to any collection.
Taxonomic Information
| Domain: | Eukaryota |
| Kingdom: | Plantae |
| Phylum: | Tracheophyta |
| Class: | Liliopsida |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Genus: | Acianthera |
| Species: | Acianthera Cogniauxiana |
Appearance
Acianthera Cogniauxiana has small, oval-shaped, and slightly succulent leaves that grow in a fan-like pattern. The leaves are dark green and have a glossy texture. The plant produces small, fragrant flowers that are typically less than 1 cm in size and bloom in clusters of 5 to 10. The flowers are white or pale yellow with purple and brown markings, making them stand out against the dark green leaves. The blooms have a lifespan of around one week but can re-bloom multiple times throughout the year.
Care Guide
Acianthera Cogniauxiana is relatively easy to care for, making it a good choice for beginners. Here are some tips to ensure your plant thrives:Water: Water your plant once a week, allowing the soil to dry out between watering. Avoid overwatering, as it can lead to root rot.Fertilization: Fertilize your plant once a month during the growing season (spring and summer) with a balanced orchid fertilizer.Soil: Acianthera Cogniauxiana is an epiphytic orchid, meaning it doesn’t grow in soil. Instead, it grows on other plants or in a well-draining orchid mix.Sunlight: Acianthera Cogniauxiana prefers bright but indirect sunlight. Avoid exposing it to direct sunlight, as it can burn the leaves.Hardiness Zones: Acianthera Cogniauxiana is not frost-tolerant and should be kept in a warm and humid environment.
Common Pests & Diseases
Acianthera Cogniauxiana is susceptible to common orchid pests and diseases, such as spider mites, mealybugs, and root rot. Keep an eye out for any signs of infestation, such as yellowing leaves or webs on the plant’s surface. To prevent pests and diseases, ensure proper watering and fertilization and maintain good air circulation around the plant.
Habitat
Acianthera Cogniauxiana is native to South America and can be found in countries such as Brazil, Ecuador, and Peru. It grows in humid forests and on other plants, such as tree trunks and branches.
Question and Answer
Q: Can Acianthera Cogniauxiana be grown in a terrarium?
A: Yes, Acianthera Cogniauxiana can be grown in a terrarium as long as it receives bright but indirect sunlight and proper watering.Q: How often should I repot my Acianthera Cogniauxiana?
A: You should repot your Acianthera Cogniauxiana every 1-2 years or when the potting mix breaks down and becomes compact.Q: Can Acianthera Cogniauxiana tolerate low humidity?
A: No, Acianthera Cogniauxiana requires high humidity to thrive. It is recommended to keep the plant in a humid environment, such as a bathroom or a greenhouse.Q: Can I propagate Acianthera Cogniauxiana?
A: Yes, Acianthera Cogniauxiana can be propagated through division. Wait until the plant has finished blooming and gently separate the plant into smaller sections, ensuring each section has roots attached.
Related Plants
Here are some related orchid species to Acianthera Cogniauxiana:- Masdevallia veitchiana- Pleurothallis grobyi- Dracula vampira- Restrepia trichoglossa
References
– “Acianthera Cogniauxiana.” The Plant List. Accessed 6 July 2021. https://www.theplantlist.org/tpl1.1/record/kew-582.- “Acianthera Cogniauxiana.” OrchidWeb. Accessed 6 July 2021. https://orchidweb.com/products/acianthera-cogniauxiana.- “Small-flowered Pleurothallis.” American Orchid Society. Accessed 6 July 2021. https://www.aos.org/orchids/orchids-a-to-z/letter-p/pleurothallis.aspx.
