Overview - Cassia aspera Muhl. ex Ell. var. mohrii Pollard
Cassia aspera Muhl. ex Ell. var. mohrii Pollard is a herbaceous plant that belongs to the Fabaceae (Pea) family. It is commonly known as Mohr's wild sensitive plant or American wild sensitive plant. This plant has a distinct appearance and is known for its medicinal uses.
Origin
Cassia aspera Muhl. ex Ell. var. mohrii Pollard is native to North America, specifically in the southeastern states of the United States. It grows in moist soils, such as along the banks of streams and ponds, and can thrive in both full sun and partial shade.
General Appearance
The Cassia aspera Muhl. ex Ell. var. mohrii Pollard plant can grow up to 3 feet tall and has a spread of 2 feet. The stem and leaves of the plant are covered in fine hairs, giving it a rough texture. The leaves are pinnately compound, which means they have multiple leaflets arranged along a central axis. The leaflets are small and oval-shaped, with a smooth surface and pointed tips. The plant produces small, yellow flowers that bloom from early summer to early fall. The fruit of the plant is a long, thin pod that contains several seeds.
Uses
Cassia aspera Muhl. ex Ell. var. mohrii Pollard has been used for medicinal purposes for centuries. Native Americans traditionally used the plant to treat a variety of ailments, including fever, diarrhea, and skin rashes. The plant contains several biologically active compounds, including flavonoids, alkaloids, and tannins, which are believed to be responsible for its medicinal properties. Today, the plant is used to treat conditions such as inflammation, pain, and skin disorders. It is also used in cosmetics and skin care products due to its anti-inflammatory and soothing properties.
It is important to note that while Cassia aspera Muhl. ex Ell. var. mohrii Pollard has many potential health benefits, it should not be consumed without the guidance of a qualified healthcare provider.
Light Requirements
The Cassia aspera Muhl. ex Ell. var. mohrii Pollard plant requires full sun to grow properly. Therefore, it is best to grow this plant in bright sunlight, especially during the growing and flowering season. The plant can withstand partial shade, but it must receive at least six hours of direct sunlight to thrive. If the plant receives insufficient sunlight, it may grow tall and lanky, and blossom less.
Temperature Requirements
Cassia aspera Muhl. ex Ell. var. mohrii Pollard grows in warm and humid tropical to subtropical regions. The minimum average temperature for the plant should range between 18 to 21°C (64 to 70°F). The ideal temperature for the plant is between 22°C to 27°C (72°F to 81°F). If the temperature drops below freezing, the plant may die off. This is particularly dangerous during winters, especially if the plant grows outside. Hence, the plant is typically grown in regions where the temperature is comfortable for Cassia aspera Muhl. ex Ell. var. mohrii Pollard growth.
Soil Requirements
Cassia aspera Muhl. ex Ell. var. mohrii Pollard requires well-draining soil to grow properly. It can thrive in a variety of soil types, ranging from sandy soils to loamy soils. However, the pH levels for the soil should range between 5.5 and 7.0, which indicates slightly acidic to neutral. The plant should not be grown in waterlogged soils that do not drain well, as that can lead to root rot. It is recommended to mix compost into the soil before planting to add nutrients and maintain soil moisture.
Cultivation
The Cassia aspera Muhl. ex Ell. var. mohrii Pollard, commonly known as "Mohr's cassia," is a hardy perennial plant that can grow up to 4 feet tall. It is tolerant of a wide range of soil types, including sandy and loamy soils, and can withstand moderate drought conditions.
When planting Mohr's cassia, ensure that the soil is well-draining, and choose a location with full sun exposure. The plant can also tolerate partial shade, but it may not produce as many flowers. Care should be taken not to overwater the plant, as it can suffer from root rot in waterlogged soil.
Watering Needs
While Mohr's cassia is tolerant of moderate drought, it is important to keep the plant evenly moist during its growing season. Water deeply, but infrequently to avoid waterlogging the soil. During periods of extended dry weather, water the plant more frequently to help it cope with the arid conditions.
Fertilization
Fertilization is not necessary for Mohr's cassia, but it can improve growth and flowering. Apply a balanced, slow-release fertilizer in the spring, and again in mid-summer to provide the necessary nutrients for the plant to thrive. Avoid over-fertilizing, as excess fertilizer can lead to weak stems and reduced flowering.
Pruning
Mohr's cassia does not require heavy pruning, but it can benefit from light pruning after flowering to encourage bushier growth. Cut back any dead or damaged stems to promote new growth, and pinch back the tips of young stems to encourage branching. Regular deadheading of spent flowers can also promote a longer blooming period.
Propagation of Cassia aspera Muhl. ex Ell. var. mohrii Pollard
Cassia aspera Muhl. ex Ell. var. mohrii Pollard, commonly known as Mohr's wild sensitive plant, can be propagated through a variety of methods. Here are some details about its propagation:
Seed propagation
Collect seeds from ripe pods and store them in a cool and dry place. Sow them in well-draining soil mix either in seed trays or pots. Keep the soil moist and in a warm, well-lit area. Ensure that the temperature is about 20-25 degrees Celsius. The seeds will typically germinate within four weeks.
Cutting propagation
Take cuttings from mature plants during spring or summer. Cuttings should be around 8-10 cm in length and should include leaves. Dip the cuttings in rooting hormone and plant them in well-draining soil mix. Maintain consistent moisture and humidity in a warm, well-lit area. Roots should form in around two to three weeks.
Division propagation
When the plant becomes mature, it can be divided into two or more sections. Gently uproot the plant and separate the sections with a sharp and sterile knife. Replant each section into its own pot with well-draining soil mix. Water the newly divided plants and place them in a well-lit area with consistent moisture and humidity.
Disease Management
The Cassia aspera Muhl. ex Ell. var. mohrii Pollard plant is susceptible to various fungal, bacterial, and viral diseases. Some of the most common diseases that affect this plant include:
- Leaf Spot: Leaf spot is caused by fungal infection and results in the development of dark spots on leaves. The infected leaves eventually dry up and fall off. To manage this disease, one should remove the infected parts of the plant and ensure proper pruning to promote air circulation.
- Powdery Mildew: Powdery mildew is a fungal infection that results in white powdery growth on leaves and stems. The infected parts of the plant appear shriveled and stunted. To manage this disease, one should ensure proper air circulation by pruning and getting rid of the infected plant material.
- Canker: Canker is a bacterial disease that causes lesions on the plant's stems and branches. Infected parts may die off completely. To manage this disease, one should remove the infected parts of the plant and dispose of them properly.
- Mosaic virus: Mosaic virus is a viral disease that results in the development of mottled yellow and green leaves. Infected plants also appear stunted. To manage the spread of this disease, it is essential to remove the infected plant material and disinfect tools to prevent the spread of the virus.
Pest Management
Cassia aspera Muhl. ex Ell. var. mohrii Pollard is also susceptible to pest infestation. Some of the common pests that affect the plant include:
- Aphids: Aphids suck the sap from the leaves of the plant, leading to stunted growth. They also secrete a substance that attracts ants and promotes the growth of mold. To manage an aphid infestation, one can use insecticidal soaps or spray the plants with water to dislodge the pests.
- Spider Mites: Spider mites feed on the underside of leaves and can cause leaf yellowing and eventual death of the plant. To manage an infestation, one can spray the plant with water or use insecticidal soaps.
- Thrips: Thrips suck the sap from the plant's leaves, resulting in distorted growth. They are minute insects that are difficult to see with the naked eye. To manage an infestation, one can use sticky traps or insecticidal soap.
Regular monitoring of the Cassia aspera Muhl. ex Ell. var. mohrii Pollard plant is essential for early detection and management of diseases and pests. Proper sanitation practices should also be observed, such as regular pruning and cleaning of tools to prevent the spread of diseases.