Origin and Common Names
Dicellandra barteri Hook.f. var. escherichii (Gilg) Jacq.-Fél. is a plant species that is native to tropical and subtropical regions of Africa, specifically in Cameroon, Nigeria, and Central African Republic.
It has a number of common names, including African unicorn root, Escherich's unicorn root, and African dandelion.
Appearance
Dicellandra barteri Hook.f. var. escherichii is a perennial herbaceous plant that grows up to 80 cm tall. It has a fibrous, branched root system and produces basal leaves that are toothed, lobed, and elongated. The plant produces yellow flowers that are arranged in an inflorescence that is about 6 cm in diameter.
The plant's stem is green or reddish-brown, and its bark is smooth and shiny. The flowers are small and star-shaped, and they appear in clusters at the end of the stem. The leaves are green and pointed, and they grow in a rosette at the base of the stem.
Uses
Dicellandra barteri Hook.f. var. escherichii has been used in traditional African medicine for its diuretic and laxative properties. It is also believed to have anti-inflammatory properties, and has been used to treat rheumatism, arthritis, and other conditions associated with inflammation.
In addition, the plant's leaves are sometimes used as a vegetable in some African cultures. The roots of the plant are also said to be edible and may be boiled or roasted.
Light Requirements
Dicellandra barteri Hook.f. var. escherichii (Gilg) Jacq.-Fél. requires bright, indirect sunlight or partial shade for optimal growth. Direct sunlight can damage its foliage and stunt the plant's growth. It is recommended to place the plant near a North or East-facing window or to provide 4-6 hours of daily sunlight exposure.
Temperature Requirements
The plant thrives in warm temperatures ranging between 20°C to 28°C. It can tolerate slightly cooler temperatures, but the growth rate may slow down. It is essential to maintain a consistent temperature, as sudden temperature fluctuations can cause shock and damage to the plant.
Soil Requirements
Dicellandra barteri Hook.f. var. escherichii (Gilg) Jacq.-Fél. prefers well-draining, nutrient-rich soil. A mixture of peat moss, perlite, and vermiculite provides a suitable growing medium. It is recommended to keep the soil lightly moist but not waterlogged, as overwatering can result in root rot. The plant needs good drainage to prevent water from pooling around its roots.
Cultivation methods
Dicellandra barteri Hook.f. var. escherichii (Gilg) Jacq.-Fél. is a hardy plant that prefers a partially shaded and well-draining soil. It can be propagated from seed or through stem cuttings. When planting, ensure that the soil is properly prepared, with organic matter incorporated to improve the soil structure and nutrient availability. Plant the seedlings or cuttings a few centimeters deep in the soil and water well.Watering needs
Dicellandra barteri Hook.f. var. escherichii (Gilg) Jacq.-Fél. prefers evenly moist soil and requires regular watering during the growing season. However, it is essential to allow the soil to dry out between watering to prevent root rot. The frequency of watering will depend on various factors such as temperature, humidity, and soil type. It is advisable to water the plant in the morning to allow sufficient time for the foliage to dry before nightfall.Fertilization
Dicellandra barteri Hook.f. var. escherichii (Gilg) Jacq.-Fél. responds well to regular fertilization during the growing season, especially during the flowering period. Apply a balanced fertilizer every two weeks, following the manufacturer's recommendations. However, avoid over-fertilization, as it can lead to excessive foliage growth at the expense of flower buds.Pruning
Dicellandra barteri Hook.f. var. escherichii (Gilg) Jacq.-Fél. does not require frequent pruning, but occasional trimming is essential to maintain its shape and improve its bushiness. Prune after the flowering period to promote new growth and prevent the plant from becoming leggy. Remove any dead or diseased branches and trim back the tips of the stems to encourage branching. Avoid pruning the plant too hard, as it may affect its flowering potential.Propagation of Dicellandra barteri Hook.f. var. escherichii (Gilg) Jacq.-Fél.
Dicellandra barteri Hook.f. var. escherichii (Gilg) Jacq.-Fél. is a herbaceous plant that can be propagated through various methods. Its propagation serves as an important way to maintain its population and to create more plants.
Seed Propagation
One of the most common propagation methods of Dicellandra barteri Hook.f. var. escherichii (Gilg) Jacq.-Fél. is through seed propagation. The plant produces seeds that can be harvested and sown in a well-draining potting mix. The seeds should be sown just below the surface of the soil and watered sparingly. Germination can be expected within 2-3 weeks and the seedlings can be transplanted to individual pots when they are big enough to handle.
Cutting Propagation
Another way to propagate Dicellandra barteri Hook.f. var. escherichii (Gilg) Jacq.-Fél. is through cutting propagation. This involves taking a small stem from the parent plant and rooting it in a rooting hormone and well-draining potting mix. The cuttings should be placed in a warm and humid environment until roots develop, which can take around 4-6 weeks. Once rooted, the cuttings can be transplanted to individual pots.
Division Propagation
Division propagation is also possible for Dicellandra barteri Hook.f. var. escherichii (Gilg) Jacq.-Fél. This method involves dividing the parent plant into smaller sections, ensuring that each division has some roots attached to it. The divisions can be planted in individual pots with well-draining potting mix and watered sparingly until new growth is observed.
Overall, Dicellandra barteri Hook.f. var. escherichii (Gilg) Jacq.-Fél. can be propagated through various methods, including seed propagation, cutting propagation, and division propagation. Each method has its own set of advantages and disadvantages, and the chosen method will depend on the gardener's preferences, availability of resources, and the time of the year.
Disease and Pest Management of Dicellandra barteri Hook.f. var. escherichii
Dicellandra barteri Hook.f. var. escherichii is generally a healthy plant that is not prone to many diseases and pests. However, in certain conditions, it may be affected by some diseases or pests that can weaken the plant or even cause death.
Common Diseases
One of the common diseases that affect Dicellandra barteri Hook.f. var. escherichii is root rot. This disease is caused by fungal pathogens that thrive in wet soil and poorly drained areas. Root rot can cause the plant to wilt, turn yellow, and eventually die. To prevent root rot, it is essential to avoid overwatering the plant and ensure proper drainage. If the plant is already affected by root rot, it is advisable to remove the affected parts and transplant the remaining healthy parts to a new, better-draining soil.
Another disease that may affect Dicellandra barteri Hook.f. var. escherichii is leaf spot disease. This disease is caused by fungal pathogens that cause brown or black spots on the leaves, leading to defoliation and reduced plant growth. Leaf spot disease can be managed by removing the affected leaves and ensuring good air circulation around the plant. Fungicides can also be used to control the spread of the disease, but it is advisable to seek professional advice before using any fungicides.
Common Pests
Dicellandra barteri Hook.f. var. escherichii is also susceptible to pest infestations, which can affect the plant's growth and yield. One of the common pests that attack this plant is whiteflies. These insects suck the sap from the leaves, causing them to yellow and fall off. Whiteflies can be managed by removing the affected leaves and using a suitable insecticide. However, it is essential to follow the manufacturer's instructions when using insecticides to avoid harming the plant and beneficial insects.
Another pest that may attack Dicellandra barteri Hook.f. var. escherichii is spider mites. These tiny pests suck the sap from the leaves, causing them to turn yellow and develop spots. Spider mites can be managed by removing the affected leaves and using a suitable insecticide. Regular spraying of the plant with water can also help prevent spider mite infestations.
In conclusion, Dicellandra barteri Hook.f. var. escherichii is generally a healthy plant that does not require much management. However, in certain conditions, the plant may be affected by diseases or pests that can weaken or kill the plant. It is, therefore, important to monitor the plant regularly and take appropriate measures to manage any disease or pest infestation promptly.
