Polystachya elastica: Overview
Polystachya elastica Lindl. commonly referred to as the rubber Polystachya is a fascinating plant species hailing from the African continent. It is part of the Orchidaceae family, the largest and most diverse group of flowering plants worldwide.
Appearance of Polystachya elastica
The Polystachya elastica has a unique appearance. It grows up to 30 cm tall with thick leaves measuring 8-15 cm long. The rubber Polystachya has a beautiful spray of bright red flowers blooming from a wiry stem. The flowers are quite small, measuring 2-3 mm in length, and have an attractive shape.
Common Names
Polystachya elastica is recognisable by various names, including rubber Polystachya, the rubbery orchid, and the rubber-lipped Polystachya. The name rubber-lipped is derived from the lips of the flowers, which are believed to resemble rubber material.
Uses of Polystachya elastica
Polystachya elastica is commonly used in the horticultural industry as an ornamental plant. It is an ideal house plant that does well in pots. It is also suitable for growing in greenhouses, where the conditions can be easily regulated. Polystachya elastica enjoys high humidity levels and filtered light. The plant's ability to help purify the air around it makes it an excellent indoor plant.
Aside from its ornamental use, Polystachya elastica is also said to have medicinal properties in traditional African medicine. It is believed to have antifungal and anti-inflammatory properties and is used to treat a variety of ailments, including stomach ulcers, headaches, and snake bites.
Polystachya elastica is an interesting and attractive plant suitable for various uses. Whether it is for ornamental purposes as an indoor plant or medicinal use in traditional African medicine, the rubber Polystachya is an excellent addition to the flora kingdom.
Light Requirements
The plant Polystachya elastica Lindl. grows well under bright light conditions but does not tolerate direct sunlight. It is best to place the plant in a location where it can receive indirect sunlight, such as near a window with sheer curtains, or under artificial grow lights. If growing outside, a shaded area or a location where it receives morning sun is ideal.
Temperature Requirements
The plant can tolerate a range of temperatures between 18°C to 32°C. It is not tolerant to temperatures below 15°C and will not survive frost. During the winter months, it is important to protect the plant from cold drafts and maintain a consistent temperature.
Soil Requirements
Polystachya elastica Lindl. prefers a well-draining soil mixture that allows for air circulation around the roots. A mixture of orchid bark, perlite, and sphagnum moss is an excellent soil mixture. It is also essential to ensure that the plant is not sitting in water as this can lead to root rot.
Cultivation Methods for Polystachya elastica Lindl.
Polystachya elastica Lindl. can be grown as a houseplant or in an orchid greenhouse. It prefers bright, indirect light and can thrive in temperatures ranging from 60-80°F.
This plant should be planted in a well-draining potting mix that allows excess water to drain away from the roots. A coarse bark mix is recommended for this plant, or a mixture of bark, perlite, and coconut coir.
Watering Needs for Polystachya elastica Lindl.
Polystachya elastica Lindl. prefers to be kept evenly moist, but be careful not to overwater it as it is susceptible to root rot. Water the plant when the top inch of soil feels slightly dry.
This plant is also epiphytic and can be watered by misting its aerial roots or dunking the entire pot in water for a few minutes before allowing excess water to drain.
Fertilization of Polystachya elastica Lindl.
Polystachya elastica Lindl. should be fertilized once a month during the growing season with a balanced, water-soluble fertilizer. Use a quarter-strength solution to avoid burning the roots.
Pruning Polystachya elastica Lindl.
Polystachya elastica Lindl. typically does not require any pruning other than the occasional removal of dead or damaged foliage. Use clean, sharp scissors to make cuts and avoid damaging the plant's healthy tissue.
It is important to maintain good air circulation around your plant to prevent the onset of fungal diseases and to promote healthy growth. Removing any debris, dust, or dead leaves also assists in keeping the plant healthy.
Propagation of Polystachya elastica Lindl.
Polystachya elastica Lindl., commonly known as the Rubber-lipped Polystachya, is an epiphytic orchid found in the tropical regions of Africa. Propagation is the process of vegetative reproduction of the plant. There are two common methods for propagating P. elastica-
Division
Division is the most common method used for propagating P. elastica. It involves separating a mature healthy plant into two or more portions, which can be potted separately. This method is best done during the dormancy period, usually after flowering, although it can be done during the growing season as well. It is also important to ensure that each divided portion has enough roots to sustain itself. The new plants should be planted in a well-draining orchid mix and watered regularly.
Keiki Production
Keiki production is another method for propagating P. elastica. Keikis are small plantlets that develop on the sides of mature plants. They can be removed carefully and potted individually. This method works best when the keiki is about 5-10 cm in height and has its own set of roots. Once potted, it is important to water the plantlets regularly and place them in a location with bright, indirect sunlight.
Propagation of P. elastica is relatively easy and straightforward, making it an ideal choice for beginners interested in growing orchids. With proper care and attention, these plants can thrive and produce beautiful blooms.
Disease Management:
There are several diseases that can affect Polystachya elastica Lindl., including bacterial leaf spot, fungal leaf spot, and powdery mildew. To prevent these diseases, it is important to ensure that the plant is not overwatered, as excess moisture can create a favorable environment for pathogens to grow.
If a disease is already present, it is important to remove any infected leaves or branches and dispose of them properly to prevent the disease from spreading. Fungicides or bactericides can also be used to treat diseases. However, it is important to carefully read the label and follow the instructions for application.
Pest Management:
Polystachya elastica Lindl. can be affected by several pests, including mealybugs, spider mites, and scale insects. These pests can be controlled through natural predators, such as ladybugs and lacewings, or through the use of insecticides.
It is important to closely monitor the plant for any signs of pest infestation, such as distorted leaves or webs. If a pest infestation is detected, it is important to act quickly to prevent the pests from spreading to other plants. Insecticides should be applied according to the instructions on the label and only as a last resort.
Regularly cleaning the plant's leaves with a damp cloth can also help to prevent pest infestations by removing any dust or debris that may attract them.
