Overview
Descurainia pinnata (Walt.) Britt. var. paradisa (A. Nels. & Kennedy) M.E. Peck, commonly known as mountain tansy-mustard or hoary tansy-mustard, is a flowering plant in the mustard family (Brassicaceae). The plant is known for its medicinal properties and has been used by indigenous people for centuries.
Origin
Mountain tansy-mustard is native to North America and can be found in many western regions of the United States, including California, Idaho, Montana, Nevada, Oregon, Utah, Washington and Wyoming. The plant is also found in parts of Canada, including British Columbia, Alberta and Saskatchewan.
Common names
The plant is known by several common names, including mountain tansy-mustard, hoary tansy-mustard, Descurainia, and wormseed mustard.
Appearance
Mountain tansy-mustard is a small, annual plant that grows up to 1.5 feet tall. The plant has finely divided, feathery leaves, and small, yellow flowers that bloom in early summer. The fruit of the plant is a small capsule that contains tiny seeds. The stem of the plant is thin and can range in color from green to reddish-purple.
Uses
Mountain tansy-mustard has been used for centuries by indigenous people to treat a variety of conditions, including digestive problems, respiratory illnesses, and skin disorders. The plant has been shown to have antimicrobial and anti-inflammatory properties and is used in some traditional medicines as a natural remedy.
The seeds of the plant have been used as a worm expellant and as a spice in cooking. The leaves and flowers of the plant can be used in salads or as a seasoning for soups and stews.
Mountain tansy-mustard also has ecological importance as it is a food source for many insects and birds.
Typical Growth Conditions for Descurainia Pinnata (Walt.) Britt. Var. Paradisa (A. Nels. & Kennedy) M.E. Peck
Descurainia pinnata, commonly known as western tansy mustard, is a plant species that belongs to the Brassicaceae family. This species is found in the central part of North America, including the Great Plains and Intermountain West regions. It is a highly adaptable plant, thriving in a wide range of climatic conditions.
Light Requirements
Western tansy mustard thrives in a location that receives full sun to partial shade. It is a drought-resistant species, and in areas with high temperatures, it prefers afternoon shade. If grown indoors, western tansy mustard requires bright light for optimal growth.
Temperature Requirements
Descurainia pinnata is a hardy plant that can tolerate a wide range of temperatures. However, it prefers temperatures ranging from 50 to 80 degrees Fahrenheit. In areas with extreme winter conditions, the plant goes dormant to conserve energy and survive harsh winter conditions.
Soil Requirements
Western tansy mustard prefers well-drained loamy soils with a pH ranging from 6.0 to 8.5. It can adapt to other soil types, including sandy and rocky soils. However, the plant does not do well in poorly drained soils. It is also adaptable to various nutrient levels, making it ideal for areas with poor soils.
Water Requirements
The plant thrives in areas with moderate to low rainfall. However, it requires adequate moisture during its growing season to support optimal growth. It is essential to ensure that the soil does not dry out, as this may cause wilting or death of the plant. When grown indoors, the plant requires regular watering to maintain optimal soil moisture levels.
Fertilization Requirements
Western tansy mustard does not require high levels of fertilizer. It thrives in soils with moderate to low nutrient levels. However, the plant can benefit from occasional fertilization with balanced fertilizers during the growing season.
In conclusion, western tansy mustard is a highly adaptable species that can thrive in a wide range of climatic conditions. By providing optimal light, temperature, soil, water, and nutrient conditions, one can successfully grow and maintain Descurainia pinnata (Walt.) Britt. var. paradisa (A. Nels. & Kennedy) M.E. Peck.
Cultivation Methods of Descurainia Pinnata var. Paradisa
Descurainia pinnata var. paradisa is a perennial plant that grows well in dry climates and rocky or gravelly soils. It can be grown from seeds or transplants, and it is best to plant in early spring or fall. Before planting, it is essential to prepare the soil by tilling, removing unwanted plants, and adding organic matter.
Watering Needs of Descurainia Pinnata var. Paradisa
This plant requires little water once established, making it well-suited for arid regions. During the growing season, it is best to water infrequently but deeply, allowing the soil to dry out between watering. Descurainia pinnata var. paradisa is drought-tolerant and can survive long periods without water.
Fertilization of Descurainia Pinnata var. Paradisa
Descurainia pinnata var. paradisa does not require much fertilization, as too much nitrogen can affect its flavor and fragrance. It is best to fertilize this plant only once a year during the spring, using a low-nitrogen fertilizer, and adding a layer of organic matter to the soil to improve moisture retention.
Pruning Descurainia Pinnata var. Paradisa
Pruning is not necessary for Descurainia pinnata var. paradisa as it grows naturally into a bushy shape. However, to promote bushier growth and prevent leggy stems, it is best to pinch back the tips of the branches in the early spring. Deadheading spent blooms will encourage the plant to produce additional flowers, extending the blooming period.
Propagation of Descurainia pinnata (Walt.) Britt. var. paradisa (A. Nels. & Kennedy) M.E. Peck
Descurainia pinnata (Walt.) Britt. var. paradisa (A. Nels. & Kennedy) M.E. Peck can be propagated through various methods, including seeds and cuttings.
Seed propagation
The easiest and most common way to propagate Descurainia pinnata (Walt.) Britt. var. paradisa (A. Nels. & Kennedy) M.E. Peck is through seeds. Seeds of the plant can be collected and sown in the soil during the fall or winter months. The seeds require a period of cold stratification, which can be achieved by storing them in a refrigerator for a few weeks before planting. Once planted, the seeds should germinate within a few weeks. It is important to keep the soil moist during the germination process and to provide the seedlings with ample sunlight and nutrients.
Cutting propagation
Another method of propagating Descurainia pinnata (Walt.) Britt. var. paradisa (A. Nels. & Kennedy) M.E. Peck is through cuttings. This method involves taking a cutting from an existing plant and planting it in soil to grow into a new plant. Cuttings should be taken during the spring or summer months when the plant is actively growing. The cutting should be approximately four to six inches long and should have at least one node where the leaves attach to the stem. The bottom end of the cutting should be stripped of its leaves and dipped in rooting hormone before planting in soil. The newly planted cutting should be kept moist and provided with indirect sunlight until it starts to grow new leaves, indicating that it has successfully rooted.
Disease and Pest Management for Descurainia Pinnata (Walt.) Britt. Var. Paradisa (A. Nels. & Kennedy) M.E. Peck
Descurainia Pinnata (Walt.) Britt. Var. Paradisa (A. Nels. & Kennedy) M.E. Peck is a hardy plant that can withstand various environmental conditions. However, several diseases and pests can still affect its growth and development. Implementing effective disease and pest management strategies can help preserve the plant's vitality.
Common Diseases
One of the most common diseases affecting Descurainia Pinnata var. Paradisa is root rot. This disease is caused by fungi that infect the plant's roots, leading to stunted growth, yellowing of leaves, and wilting. To prevent root rot, it is best to plant the plant in well-draining soil and avoid overwatering. Another disease that can affect the plant is powdery mildew, a fungal infection that causes white or gray powdery spots on leaves. To prevent powdery mildew, regular pruning, and adequate air circulation around the plant can control this malady.
Common Pests
Descurainia Pinnata var. Paradisa may also be vulnerable to several pests such as aphids, mites, and whiteflies. These insects suck sap from the plant causing its leaves to wilt, yellow, and wither. Implementing integrated pest management techniques such as introducing natural predators, using insecticidal soaps, and regular pruning can control these pests.
Management Strategies
To manage diseases and pests that affect the plant, it is essential to practice proper hygiene and sanitation. Removing and destroying infected plants parts such as leaves, stems, and roots can reduce the spread of fungi and bacteria. Also, maintaining a pesticide and herbicide free environment fosters healthy microbial and ecological interactions. Planting in rotation also lessens the probability of the soil being depleted. Lastly, implementing regular monitoring by frequently checking on the plant's leaves, bark and undergrowth, can help detect early warning signs. Swift responses will control and reduce any possible severe infestation.
