Polystachya fallax auct.
Polystachya fallax auct. is a species of orchid native to tropical areas of Africa. It is also commonly known as the African orchid.
Appearance
Polystachya fallax auct. features long, thin stems that can grow up to 30cm in length. The stems are covered with small, pale green leaves that are just 5-10mm in length. The flowers are usually arranged in clusters of up to six and are a pale green or yellowish-green color. The flowers have a unique shape, with a long, slender column topped with a lip that is curved backwards.
Uses
Polystachya fallax auct. is primarily used as an ornamental plant due to its unique appearance. It is often grown in greenhouses or as a houseplant, and the flowers are considered a prized collector's item among orchid enthusiasts. It is also used in traditional medicine in some African countries, where it is believed to have antimicrobial properties that can be used to treat various illnesses.
Overall, Polystachya fallax auct. is a beautiful and intriguing plant that has both decorative and medicinal uses.
Growth Conditions for Polystachya fallax auct.
Polystachya fallax is an epiphytic orchid species that are found growing in the forest canopy of Africa and Madagascar. Understanding the typical growth conditions of this plant is crucial for its successful cultivation.
Light Requirements
Polystachya fallax prefers bright but filtered light. When grown indoors, place the plant near an east or west-facing window where it can receive bright, indirect light. Too much direct sunlight can cause leaf burn and stunted growth.
Temperature Requirements
Polystachya fallax thrives in warm and humid conditions. Ideally, the plant should be kept in an environment with a temperature range of 16-27°C (61-81°F). Avoid sudden temperature drops and cold drafts as this can cause stress to the plant.
Soil Requirements
As an epiphytic orchid, Polystachya fallax does not require soil to grow. Instead, it prefers to grow on a well-draining medium such as orchid bark, sphagnum moss, or perlite. These substrates allow the plant's roots to breathe and avoid waterlogging that can lead to root rot.
Humidity Requirements
Polystachya fallax needs high humidity levels to grow. Mist the plant regularly, or place it over a pebble tray filled with water. Additionally, it is beneficial to group the plant with other orchids to create a humid microclimate.
Fertilization
Polystachya fallax is a light feeder and requires diluted fertilizer. Feed the plant every two weeks with a balanced fertilizer during the growing season to support its growth and development.
With the right growing conditions, Polystachya fallax can make a beautiful addition to any indoor orchid collection.
Cultivation Methods
Polystachya fallax auct. is a relatively easy orchid to cultivate. It thrives in bright, indirect light and requires a well-draining potting mix. It can be grown either in hanging baskets or mounted on a piece of bark or cork.
When growing in a pot, use a potting mix consisting of fine-grade bark, sphagnum moss, and perlite. Keep the medium moist but not waterlogged. If you're growing the plant mounted, tuck some moss around the roots to help retain moisture.
Polystachya fallax auct. prefers warm temperatures, ideally between 65 and 85°F. Cooler temperatures can cause the plant to become dormant, which can affect its flowering. The plant can also tolerate a variety of humidity levels, but it's best to keep it between 50% and 70%.
Watering Needs
Polystachya fallax auct. requires frequent watering. Water the plant about once a week during the growing season, and reduce the frequency during the dormant season. Be careful not to overwater the plant, as this can lead to rotting.
It's best to water your Polystachya fallax auct. in the morning, as watering in the evening can promote the growth of fungal and bacterial diseases. Use room temperature water for watering your plant.
Fertilization
Polystachya fallax auct. benefits from regular fertilization. Use a balanced fertilizer (e.g. 20-20-20) at half-strength every two weeks during the growing season. Avoid fertilizing your plant during the dormant season.
You can also supplement with foliar feeding using a weak fertilizer solution (e.g. 1/4 strength) every two weeks.
Pruning
Polystachya fallax auct. doesn't require much pruning. You can remove any dead leaves or flowers to keep your plant looking tidy.
If you're growing the plant mounted, be mindful of any dead roots, which can be trimmed off with sterile scissors or a knife. Do not remove healthy roots.
Propagation of Polystachya fallax
Polystachya fallax can be propagated through several methods, including division, backbulbs, and tissue culture.
Division
The most common method of propagation for Polystachya fallax is division. This involves separating new growth from the parent plant and replanting it in a separate pot. Division should be done in the spring or early summer, when the plant is actively growing. Care should be taken not to damage the plant's fragile roots during the process.
Backbulbs
Backbulbs, or older bulbs that are no longer producing active growth, can also be used to propagate Polystachya fallax. These bulbs can be separated from the parent plant and planted in a separate pot with fresh potting mix. Backbulbs should be placed on top of the soil and lightly covered, and kept warm and moist until new growth appears.
Tissue Culture
Tissue culture is a more advanced method of propagation that involves taking a small piece of plant tissue and growing it in a sterile environment. This method is best left to experienced growers or professionals, as it requires specialized equipment and techniques.
Regardless of the method used, it is important to provide the plant with proper care and growing conditions to ensure successful propagation.
Disease and Pest Management for Polystachya fallax auct.
Polystachya fallax auct. is a type of orchid that is prone to various diseases and pests. Here are some common issues that might affect the plant and ways to manage them:
Common Diseases:
Fungal and Bacterial Infections: Orchids are highly susceptible to fungal and bacterial infections, which can lead to rotting of roots, leaves, and flowers. To prevent these infections, make sure that the plant is not overwatered, and avoid getting water on the leaves and flowers. If the plant does exhibit signs of infection (such as black spots on leaves, or a foul smell coming from the roots), remove the infected parts and use a fungicide or bactericide to treat the plant.
Viral Infections: Viral infections are difficult to manage, as there is no cure once the plant has been infected. Symptoms of viral infections include stunted growth, distortion of leaves, and discolored flowers. To prevent the spread of viruses, make sure to sterilize all pruning tools before using them on the plant, and remove any infected plant material as soon as possible.
Common Pests:
Spider Mites: Spider mites are common pests that can cause damage to the leaves and flowers of orchids. They are tiny insects that can be difficult to spot with the naked eye. Symptoms of spider mite infestations include a fine webbing on the leaves, yellowing of the leaves, and stunted growth. To manage spider mites, wash the leaves of the plant with a gentle soap and water solution, or try using a miticide.
Scale Insects: Scale insects are another common pest that can affect orchids. They appear as small, brown bumps on the leaves and stems of the plant. They can cause damage by sucking the sap from the plant, leading to yellowing and wilting. To manage scale insects, use a systemic insecticide or try brushing them off with a soft, damp cloth.
By being vigilant and taking proper care of the plant, you can help prevent and manage diseases and pests that might affect Polystachya fallax auct.
