Overview of Oxyanthus Brevicaulis K.Krause
Oxyanthus brevicaulis K.Krause is a flowering plant that belongs to the family Rubiaceae. This plant is native to the tropical regions of Africa, including Cameroon, Gabon, and Nigeria. The plant is commonly referred to as Gabon's crown flower, Gabon's rubiaceae, or bois-lait.
Appearance of Oxyanthus Brevicaulis K.Krause
The Oxyanthus brevicaulis K.Krause grows up to 8-12 meters tall and has a bushy appearance. The branches are spreading and ascend from the base of the plant. The leaves are opposite, and their shape varies from elliptic, oblong-elliptic to obovate-elliptic, and grow up to 8-18 cm long and 3-8 cm wide.
The flowers of the Oxyanthus brevicaulis K.Krause are small and white, measuring 2-4 mm in diameter, and arranged in terminal and axillary cymes. These flowers produce a sweet scent, especially at night. When the flowers open, they expose white stamens and a pistil, which results in the formation of the fruit. The fruit is a globose berry that measures 0.5-1.5 cm in diameter.
Uses of Oxyanthus Brevicaulis K.Krause
The Oxyanthus brevicaulis K.Krause has a variety of medicinal uses. The roots and bark of the plant have been used to treat fever, diarrhea, and stomachache. Additionally, the plant has been used as a purgative, a diuretic, and a tonic for treating chest pains. The plant also has cultural significance, as some communities in West and Central Africa believe that it can be used for spiritual and divinatory purposes.
Finally, the Oxyanthus brevicaulis K.Krause is used for ornamental purposes. The plant has a beautiful and showy look, which makes it perfect for landscaping and decoration.
Light Requirements
Oxyanthus brevicaulis requires high levels of light for proper growth and development. The plant should receive at least six hours of direct sunlight each day. However, it is important to protect the plant from intense sunlight during the hottest parts of the day to prevent leaf burn. Partial shade can also be provided in areas with strong sun exposure.
Temperature Requirements
Oxyanthus brevicaulis grows best in mild to warm temperatures. The plant can tolerate temperatures between 15-30°C (59-86°F), but temperatures below 10°C (50°F) or above 35°C (95°F) can harm the growth rate. It is important to protect the plant from extreme temperature changes, such as frost or heat waves, to ensure its survival.
Soil Requirements
Oxyanthus brevicaulis prefers well-draining soil with a good mixture of organic matter. The plant can grow in a range of soil types, including acidic or alkaline soils. However, it is important to avoid waterlogged soil that can lead to root rot and impede root growth. The soil should be kept moist, but not wet, and provided with regular fertilization to ensure adequate nutrient supply.
Cultivation Methods
Oxyanthus brevicaulis K.Krause, commonly known as the Short-stemmed Oxyanthus, requires well-draining soil that is rich in organic matter. The plant is suited for outdoor cultivation in areas with mild climates. It flourishes in partial shade or bright indirect light, making it an ideal choice for growing indoors in bright spaces that have filtered sunlight.
Watering Needs
Watering the Oxyanthus brevicaulis K.Krause should be done sparingly. Overwatering can result in root rot. The plant should be watered when the soil is dry to the touch, and water should be poured into the pot's soil until it drains out of the pot's base.
Fertilization
During the growing season, fertilize the plant every two weeks using a balanced, water-soluble fertilizer. As the plant becomes dormant in the fall and winter months, reduce fertilization to a minimum.
Pruning
To promote bushier growth in the Oxyanthus brevicaulis K.Krause, the plant should be pruned sporadically throughout the growing season. Pinch back new growth regularly to encourage the plant to develop a more attractive shape. Pruning should be done using sharpened, sterilized pruning shears to prevent any cross-contamination.
Propagation of Oxyanthus brevicaulis K.Krause
Oxyanthus brevicaulis K.Krause is a beautiful ornamental plant that is native to tropical regions of Asia. It is a small shrub with attractive foliage and showy flowers. Propagation of Oxyanthus brevicaulis K.Krause can be done in several ways. Here are some of the propagation methods:
1. Seed propagation
The easiest way to propagate Oxyanthus brevicaulis K.Krause is through its seeds. The seeds should be sown in a well-drained soil mix and kept in a warm and bright spot. The soil should be kept moist but not waterlogged. Germination should occur within a few weeks, and once the seedlings have developed true leaves, they can be transplanted to their permanent location.
2. Stem cuttings
Oxyanthus brevicaulis K.Krause can be propagated from stem cuttings. Take a cutting of approximately 6 cm, remove the lower leaves, and dip the cut end in rooting hormone. Plant the cutting in a well-draining soil mix and place it in a warm and bright spot. Cover the cutting with a plastic bag to maintain high humidity levels. The cutting should root within a few weeks, and once it has developed roots, it can be transplanted to its permanent location.
3. Division
Oxyanthus brevicaulis K.Krause can also be propagated through division. Carefully remove the plant from its container or the ground and separate the root ball into smaller sections. Each section should have at least one healthy stem and root system. Plant the divided sections in a well-draining soil mix and water thoroughly. Place the plant in a warm and bright spot and keep the soil moist but not waterlogged. The new divisions should establish themselves within a few weeks and start producing new growth.
Propagation of Oxyanthus brevicaulis K.Krause can be rewarding and easy if done correctly. Whether you choose to propagate from seeds, stem cuttings, or division, make sure to provide the plant with the right growing conditions to ensure its success.
Disease Management for Oxyanthus brevicaulis K.Krause
Oxyanthus brevicaulis K.Krause, also known as the Short-Stemmed Oxyanthus, is an evergreen shrub that is susceptible to a few diseases. Here are some of the common diseases that might affect the plant and ways to manage them.
Leaf Spot Disease
Leaf spot disease is caused by the fungus Cercospora oxyanthi. The fungus attacks the leaves of the plant, causing irregularly shaped lesions with gray centers and brown or purple margins. To manage this disease, remove the affected leaves and dispose of them. Maintain good airflow around the plant and try to avoid overhead watering. Ensure that the plant receives adequate nutrition, especially nitrogen, to promote healthy foliage growth.
Root Rot
Root rot is a common disease in plants grown in poorly drained soil. The disease is caused by the fungus Phytophthora, which attacks the roots of the plant and causes them to decay. Infected plants may exhibit yellowing and wilting of the leaves, stunted growth, and eventual death. To manage this disease, ensure that the soil is well-drained, and avoid overwatering the plant. You can also apply a fungicide to the soil to control the fungus.
Pest Management for Oxyanthus brevicaulis K.Krause
Oxyanthus brevicaulis K.Krause is generally resistant to pests, but a few might attack the plant.
Scale Insects
Scale insects are common pests that suck sap from the leaves and stems of the plant, causing yellowing and wilting of the foliage. To manage scale insects, you can use a soft-bristled brush to remove them from the plant. You can also apply a horticultural oil spray to the plant to suffocate and kill the scales.
Aphids
Aphids are tiny insects that feed on the plant's sap, causing curling and yellowing of the leaves. To manage aphids, you can use a strong jet of water to wash them off the plant. You can also apply a insecticidal soap or neem oil spray to control the aphids.
