Overview
Oxalis ciliariflora Eckl. & Zeyh. is a plant species in the genus Oxalis and family Oxalidaceae. It is commonly known as 'Pink sorrel', 'Fringed yellow sorrel' or 'Sourgrass'. Oxalis ciliariflora is native to Southern Africa and has been introduced in other continents as an ornamental plant.
Appearance
Oxalis ciliariflora is a perennial herb that grows up to 20cm in height. It has a slender stem with elongated leaves, ranging from light to dark green in colour. The foliage is lush and vibrant, with the plant producing small, delicate flowers that are pink in colour. The flowers have fringed yellow petals and are borne on thin stalks.
Uses
Oxalis ciliariflora is used as an ornamental plant due to its attractive foliage and delicate flowers. In traditional medicine, it is used to treat skin issues, digestive disorders, and scurvy. It is also used in culinary practices, where the leaves are added to salads and soups, and the tubers are cooked and eaten as a vegetable. However, it should be consumed in moderation as it contains oxalic acid, which can be toxic in large amounts.
Cultivation
Oxalis ciliariflora grows best in a moist, well-draining soil with partial shade. It can be propagated through seeds, cuttings, or bulb division. The plant requires regular watering and fertilization during the growing season. Given its invasive nature, it is recommended to control its growth and spread in larger landscapes. It is an ideal plant for container gardening, rock gardens and borders.
Growth Conditions for Oxalis ciliariflora Eckl. & Zeyh.
Light: Oxalis ciliariflora requires bright but indirect sunlight for healthy growth. Direct sunlight can cause the leaves to scorch. Ideally, the plant should receive 4-6 hours of sunlight per day.
Temperature: The plant prefers a moderate temperature range between 18°C to 24°C (65°F to 75°F). It is sensitive to extreme heat and cold, so avoid placing it near drafty windows or air conditioning vents.
Soil: Oxalis ciliariflora prefers well-draining soil that is rich in nutrients. A mix of potting soil, perlite, and sand in equal parts is ideal. The pH of the soil should be slightly acidic, between 5.5 to 6.5.
Watering: The plant requires moderate watering, with the soil being kept slightly moist but not waterlogged. Overwatering can lead to root rot, so ensure proper drainage. The watering frequency can vary depending on the temperature, humidity, and soil type.
Fertilization: The plant benefits from regular fertilization during the growing season. Use a balanced liquid fertilizer once a month through spring and summer. Avoid fertilizing during winter when the plant goes dormant.
Humidity: The plant prefers moderate humidity levels but can tolerate low humidity. Consider using a humidifier or pebble tray to increase humidity around the plant.
Following these growth conditions will lead to a healthy and thriving Oxalis ciliariflora plant.
Cultivation Method
Oxalis ciliariflora Eckl. & Zeyh. can be cultivated indoors or outdoors, depending on the climatic conditions of the region. It grows well in well-draining soils with a mix of sand, peat, and loam. It requires a small amount of sunlight, and direct sunlight can damage the leaves. The ideal temperature range for cultivation is between 15 - 23 °C.
Watering Needs
Regular watering is required, and the soil should not dry out completely. Over-watering should be avoided since it may lead to root rot. It is best to water the plant when the topsoil is slightly dry, and the frequency of watering will depend on the humidity and temperature of the region.
Fertilization
Fertilization is essential for the growth and development of Oxalis ciliariflora Eckl. & Zeyh. A balanced fertilizer can be used once a month during the growing season, which is spring and summer. Over-fertilization should be avoided since it can increase the salt buildup in the soil, which can harm the plant.
Pruning Needs
Pruning is not necessary for this plant; however, if the leaves turn yellow, it could indicate that it is time to prune back the plant. Remove any damaged or wilted leaves or stems as soon as possible to avoid the spread of disease.
Propagation of Oxalis ciliariflora
Oxalis ciliariflora Eckl. & Zeyh. is commonly known as the pink sorrel plant. Propagating Oxalis ciliariflora can be done quite easily through a few different methods.
Propagating through Seeds
The seeds of Oxalis ciliariflora can be collected when they turn brown and dry. Once they are collected, you can stratify the seeds by placing them in a plastic bag with some soil in the refrigerator for about four weeks. This process mimics winter and stimulates germination. Once the seeds have been stratified, they can be sown directly into the soil in the spring.
Propagating through Division
Another effective method of propagating Oxalis ciliariflora is through division. Wait until the plant has matured and developed a clump. Then, gently dig up the clump and use a sharp knife to divide the plant into sections, ensuring that each section has a healthy portion of both roots and leaves. Each section can then be replanted and watered well.
Propagating through Cuttings
Oxalis ciliariflora can also be propagated through stem cuttings. Cut a stem from the parent plant and ensure that there are at least two healthy leaves on it. Dip the cut end into some rooting hormone, then plant the cutting into a soil mix that is kept moist. In a few weeks, the cutting will develop roots and new growth.
Disease and Pest Management for Oxalis ciliariflora Eckl. & Zeyh.
Oxalis ciliariflora Eckl. & Zeyh. is a low-growing, trailing plant that is known for its small pink to reddish-purple flowers and delicate leaves. It is generally easy to grow, but like all plants, it is susceptible to diseases and pests. Here are some common diseases and pests that might affect Oxalis ciliariflora and ways to manage them.
Diseases
1. Fungal Leaf Spot: Fungal leaf spot is a common disease that affects many plants, including Oxalis ciliariflora. Symptoms include the appearance of brown or black spots on the leaves. The best way to manage fungal leaf spot is to remove the affected leaves and dispose of them. Make sure not to overwater your plants, as excess moisture can increase the likelihood of fungal diseases.
2. Powdery Mildew: Powdery mildew is another common fungal disease that can affect Oxalis ciliariflora. It is characterized by a white, powdery coating on the leaves. To manage powdery mildew, remove affected leaves and improve air circulation around your plants. You can also use a fungicide if the problem persists.
Pests
1. Spider Mites: Spider mites are tiny pests that can be challenging to detect until they cause significant damage to your plants. They are characterized by a fine webbing on the leaves and can cause yellowing and wilting. To manage spider mites, try using a hose to wash them off your plants or use insecticidal soap.
2. Aphids: Aphids are small, soft-bodied insects that feed on the sap of plant leaves. They can be identified by their pear-shaped bodies and tend to congregate on the undersides of leaves. To manage aphids, use a strong spray of water to wash them off or apply insecticidal soap regularly.
By following these disease and pest management tips, you can help ensure that your Oxalis ciliariflora plants remain healthy and vibrant.
