Overview
Oxalis lawsonii F.Bolus is a flowering plant that belongs to the Oxalidaceae family. It is also commonly known as purple wood sorrel, Lawson's Oxalis, or the Cape sorrel. This plant is native to South Africa but can also be found in other parts of the world, including Australia and New Zealand. It is a perennial herb that has ornamental and medicinal uses.
General Appearance
The Oxalis lawsonii F.Bolus is a small and attractive plant that grows up to 60cm. Its leaves are palmate, dark green, and triangular in shape, with some having a purplish tinge on the undersides. The plant produces small, pinkish-purple flowers that are star-shaped and have five petals that bloom from late winter to early spring.
Uses
The Oxalis lawsonii F.Bolus has various uses, such as ornamental and medicinal purposes. It is a popular ornamental plant because of its vibrant color and fast-growing nature. It can be grown in pots, borders, rock gardens, and lawns. Additionally, it is used in traditional medicine as a remedy for stomach problems, fever, and throat infections. The plant has juice that is rich in vitamin C and has pain-relieving properties and can be used to treat rheumatism.
Cultivation
The Oxalis lawsonii F.Bolus grows well in well-drained soil and can adapt to different soil types such as sandy and loamy soils. It prefers partial shade to full sun and needs regular watering. The plant is hardy and can survive cold temperatures as low as -7°C. Propagation can be done through seeds or division of the rhizomatous roots during the growing season. It is important to note that the plant can be invasive and difficult to control if not monitored carefully.
Conclusion
Oxalis lawsonii F.Bolus is an excellent addition to any garden due to its beautiful appearance and numerous uses, both ornamental and medicinal. Though it is a hardy plant, it requires careful management to prevent uncontrolled growth. When properly managed, the plant can provide numerous benefits to gardeners and those who use it for medicinal purposes.
Light Requirements
Oxalis lawsonii F.Bolus prefers bright but indirect sunlight. Direct sunlight can cause sunburn on the leaves. It is recommended to place the plant in a location where it can receive morning or late afternoon sun. Avoid placing the plant in shaded areas as it may negatively impact its growth.
Temperature Requirements
The plant can tolerate a range of temperatures but prefers temperatures between 15°C (59°F) and 26°C (78.8°F). Avoid placing the plant in overly hot or cold locations as it may slow down its growth or even cause damage. In colder climates, it is recommended to bring the plant indoors during the winter months.
Soil Requirements
The plant prefers well-drained soil with a neutral to slightly acidic pH level. It can tolerate sandy and loamy soils but not heavy clay soils. It is recommended to add organic matter to the soil to improve its texture and drainage. Additionally, ensure that the soil is moist but not waterlogged as overwatering can cause root rot.
Cultivation methods for Oxalis lawsonii F.Bolus
Oxalis lawsonii F.Bolus is a perennial plant that thrives in well-draining soils. The plant requires a moderate amount of sunlight to grow well and prefers warm temperatures. The plant can be grown from seeds or cuttings and should be planted in spring when the soil has warmed up.
Watering needs for Oxalis lawsonii F.Bolus
It is essential to water the plant regularly to keep the soil moist but not waterlogged. Overwatering can lead to root rot, which can kill the plant. During the growing season, water the plant once or twice a week, and reduce the frequency of watering during the dormant season.
Fertilization of Oxalis lawsonii F.Bolus
Regular fertilization is essential for the healthy growth of Oxalis lawsonii F.Bolus. Use a balanced fertilizer during the growing season to encourage blooming and growth. Fertilize the plant after every two to four weeks to maintain its health.
Pruning Oxalis lawsonii F.Bolus
Pruning is an essential part of caring for Oxalis lawsonii F.Bolus. You can prune the plant to remove dead, damaged, or diseased foliage. Pinching back the stem tips can also encourage bushier growth and more flowers. It is best to prune the plant after the blooming season has ended.
Propagation of Oxalis lawsonii F.Bolus
Oxalis lawsonii F.Bolus is a striking South African plant with delicate pink flowers, a succulent habit, and clover-like leaves. It can be propagated by three main methods:
Division
The easiest way to propagate Oxalis lawsonii F.Bolus is by division. This should be done in spring when the plant is actively growing. Carefully remove the plant from its pot and gently tease apart the roots. Each division should have several stems and roots and be potted up into fresh, well-draining potting mix. Water well and keep in bright, indirect light until new growth emerges.
Seed
Oxalis lawsonii F.Bolus can also be propagated by seed. Collect seedpods when they have dried out and are starting to break open. Carefully extract the seeds and sow them into a tray filled with moist, well-draining potting mix. Cover with a thin layer of vermiculite or compost and keep the tray in a warm, bright location. Germination can occur within a few weeks.
Cuttings
Cuttings from stem tips can also be used to propagate Oxalis lawsonii F.Bolus. Choose a healthy stem tip and remove the bottom leaves, leaving only two or three at the top. Dip the cutting in rooting hormone and insert it into a well-draining potting mix. Water thoroughly and place the pot in a bright location. Cover the pot with a plastic bag to increase humidity and keep the cutting moist. New growth should appear within a few weeks when growth is established, and the plant can be transferred to a new pot until it is ready to be transplanted to a permanent location.
Disease and Pest Management for Oxalis Lawonii F. Bolus
Oxalis Lawsonii F. Bolus is a beautiful and delicate plant species that can be susceptible to pests and diseases. Here are some of the common diseases and pests that can affect the plant and ways to manage them:
Diseases
1. Powdery Mildew: This disease appears as a white powdery substance on the plant's surface. To manage it, remove the infected foliage immediately and apply a fungicide. Also, ensure there is adequate air circulation around the plant by spacing them correctly.
2. Leaf Spot: Leaf Spot disease leads to brown spots or patches on the leaves. To control it, remove all fallen infected leaves, clean the surrounding area, and apply a fungicide.
Pests
1. Aphids: These are small, soft-bodied insects that suck sap from the plant's foliage. To control Aphids, spray the plant with insecticidal soap or horticultural oil. Pray the top and bottom of the plant's foliage and stem,
2. Spider Mites: Spider mites are tiny, sap-sucking pests that can cause yellow mottling or stippling on the plant's leaves. To control Spider Mites, spray the plant with a mixture of neem oil and water regularly.
3. Mealybugs: Mealybugs are pests that attach themselves to the plant's foliage and suck sap, causing the foliage to turn yellow, wilt, and die. To manage this pest, mix 70% isopropyl alcohol solution with water and spray it on the plant. Repeat this process after a week.
Overall, maintaining a clean and hygienic environment around the plant by removing fallen debris, watering correctly, and avoiding over-fertilization can help prevent diseases and pest infestation.
