Overview: Sericanthe trilocularis (Scott-Elliot) Robbr. subsp. trilocularis
Sericanthe trilocularis (Scott-Elliot) Robbr. subsp. trilocularis is a perennial shrub that is native to Ethiopia and Eritrea. It belongs to the family Lamiaceae, which is also known as the mint family. It is a critical medicinal plant with many phytochemicals and uses, such as treating stomach problems, fever, and wounds.
Common Names of Sericanthe trilocularis (Scott-Elliot) Robbr. subsp. trilocularis
The plant Sericanthe trilocularis (Scott-Elliot) Robbr. subsp. trilocularis is commonly known as "Yemserih Alugti" or "Yemseferesh Alugti" in the Amharic language, which is primarily spoken in Ethiopia. The plant's common name in Tigrigna, which is primarily spoken in Eritrea and Ethiopia, is "Sabur." The common name in English for this plant is yet to be established.
Appearance of Sericanthe trilocularis (Scott-Elliot) Robbr. subsp. trilocularis
Sericanthe trilocularis (Scott-Elliot) Robbr. subsp. trilocularis is a perennial shrub that grows up to a height of 2 meters. The leaves have a length of 12 to 35 mm and a width of 5 to 15 mm. It has whitish or purple flowers that develop into small seed-like fruits that are about 1 mm long. The fruit has three compartments containing a single seed each.
Uses of Sericanthe trilocularis (Scott-Elliot) Robbr. subsp. trilocularis
Sericanthe trilocularis (Scott-Elliot) Robbr. subsp. trilocularis is a critical medicinal plant, and almost every part of the plant has medicinal value. In Ethiopia and Eritrea, the plant is widely used to treat different diseases, including fever, wounds, stomach problems, and eye problems. The leaves of the plant are boiled and consumed as a tea, which is a common remedy for stomach ailments such as diarrhea, constipation, and dysentery. The roots of the plant are used to make a paste that is applied to wounds to aid in healing.
Additionally, the plant has a cultural significance in Ethiopia, where it is used in various traditional practices. It is believed that smoking the plant's leaves in a bonfire will ward off evil spirits and promote good health and longevity.
hereLight Requirements
Sericanthe trilocularis (Scott-Elliot) Robbr. subsp. trilocularis prefers a good amount of sunlight to grow properly. It thrives in high light conditions, so it is best to place it in a location with direct sunlight or under bright light for most of the day.
Temperature Requirements
This plant grows well in temperatures ranging from 20°C to 30°C. Although it can tolerate cooler temperatures, it is best to keep it in a warm environment to encourage faster growth. If the temperature falls below 15°C, the plant may become vulnerable to diseases, which can harm its growth and health.
Soil Requirements
The Sericanthe trilocularis (Scott-Elliot) Robbr. subsp. trilocularis plant requires rich, nutrient-dense soil to thrive. The soil should be well-draining and able to hold enough moisture without becoming soggy. A soil mixture of peat, perlite, and sand in a ratio of 2:1:1 has been recommended for this plant. Adding organic matter to the soil, such as compost or manure, can also improve the soil quality and promote healthy growth.
Cultivation
Sericanthe trilocularis is a slow-growing plant that thrives in slightly acidic to neutral, well-draining soils. It prefers a sheltered location with partial shade to avoid direct sunlight, which can scorch the leaves.
This plant does not tolerate frost and hence, it is not suitable for outdoor cultivation in regions with cold winters. However, it can be grown indoors in a pot, preferably in a bright location that receives indirect sunlight.
Watering needs
Sericanthe trilocularis requires moderate watering. It is essential to provide adequate water to maintain a consistent level of soil moisture. Over-watering can lead to root rot, while under-watering can cause the plant to wilt. The frequency of watering should be reduced during winter when the plant is dormant.
Fertilization
The plant does not need frequent fertilization, and it is recommended to use a balanced, slow-release fertilizer once a year in the spring. This type of fertilizer will provide the necessary nutrients to support the plant's growth for the entire growing season.
Pruning
To maintain its compact shape, Sericanthe trilocularis requires periodic pruning. This should be done in the early spring before the plant enters the active growth phase to avoid the development of new shoots that may not have enough time to mature before winter.
Pruning should focus on the removal of dead, damaged, or diseased branches. Any crossed or crowded branches should also be pruned to maintain good air circulation and light penetration.
Propagation of Sericanthe trilocularis
Sericanthe trilocularis (Scott-Elliot) Robbr. subsp. trilocularis, commonly known as "Eritrean Sage," is a flowering plant that is widely grown for its attractive foliage and purple-blue flowers. This plant can be propagated through various methods, including seed propagation, stem cuttings, division, and layering.
Seed propagation
Propagation through seeds is the most common and easiest method for growing Eritrean sage. Seeds can be sown directly into the soil or started indoors in trays. To promote germination, the seeds can be soaked in water for 24 hours before planting, and the soil should be kept moist until the seeds sprout. The ideal temperature for seed germination ranges from 18-20°C (65-68°F).
Stem cuttings
Stem cuttings can also be used for propagation, particularly during the growing season (spring or summer). Cuttings should be taken from the parent plant's stems and leaves using a sharp and sterile pair of scissors. The cuttings should be approximately 8-10 cm (3-4 inches) long and have at least two sets of leaves. Dip the cut end into rooting hormone before planting in moist soil and placing in a warm and humid environment. The cuttings should develop roots within a few weeks.
Division
Division is a propagation method that involves separating a mature plant into smaller sections, each with its roots and shoots. This method is best done during the early spring when new growth begins. Carefully dig up the parent plant, and using a sharp and sterile tool, divide the plant into smaller sections. Plant each section into a new pot or the ground with well-draining soil. Water thoroughly and keep the soil moist until new growth appears.
Layering
Propagation through layering involves bending a mature branch of the plant to the ground and covering it with soil or compost to encourage the formation of roots. Once the roots have established, the branch can be cut from the parent plant and transplanted into a new location. This method is best done in the spring or early summer when the plant is actively growing.
Disease Management
Sericanthe trilocularis (Scott-Elliot) Robbr. subsp. trilocularis is generally a healthy plant, but it can still be susceptible to some diseases. The following are some common diseases that can affect the plant and ways to manage them:
Root Rot
Root rot is caused by soil-borne fungal pathogens like Fusarium, Phytophthora, and Rhizoctonia. The disease manifests as yellowing and wilting of leaves, stunted growth, and eventual death of the plant. Prevention is the best management approach, and this can be achieved by avoiding overwatering, providing good drainage, and ensuring a healthy soil pH. If the disease already has a foothold, affected plants should be removed to prevent further spread, and the soil should be solarized or disinfected with fungicide before planting again.
Powdery Mildew
This fungal disease manifests as powdery white spots on leaves and flowers. The disease occurs in conditions of high humidity and warm temperatures. Management strategies include avoiding overcrowding, improving air circulation, and maintaining low humidity levels. Chemical controls may be necessary, and the use of sulfur and fungicidal sprays is recommended.
Pest Management
Sericanthe trilocularis (Scott-Elliot) Robbr. subsp. trilocularis can be prone to attack by pests. Here are some common pests that can affect the plant and ways to manage them:
Mealybugs
Mealybugs are soft-bodied insects that look like small cottony masses on the plant. They can damage the plant by sucking sap, causing yellowing and wilting of leaves, and stunted growth. Physical control measures, such as pruning and removing infested parts, can be effective, but chemical controls may be necessary for severe infestations. The use of insecticidal soap, neem oil, or other insecticides is recommended.
Spider Mites
Spider mites are tiny, sap-sucking insects that form web-like structures on the plant. They can cause damage by yellowing and dropping of leaves and reduced flowering. The use of predatory mites and insects such as ladybugs and lacewings can be effective in controlling the pests. Chemical controls such as insecticidal soaps, acaricides, and horticultural oils can also be used.