By Leen Randell
Updated: Jul 10, 2024
What to know about Calea sp. c (dream herb) before using it medicinally
Calea sp.
c, commonly known as dream herb, is a plant with a long history of use in traditional medicine for its ability to promote relaxation and reduce anxiety. This annual herb is relatively easy to cultivate, requiring minimal care and maintenance, and is often grown in warm and humid climates.
Botanically, Calea sp. c is classified as a member of the Compositae family and is characterized by its distinctive yellow flowers and broad, ovate leaves. References to the use of Calea sp.
c in traditional rituals and ceremonies can be found in the ancient cultures of the Americas, where it was highly valued for its psychoactive properties.
This article explains the medicinal, horticultural, botanical, and historical aspects of Calea sp. c.
What are the medicinal properties of Calea sp. c?
Calea sp. c helps with anxiety, insomnia, and restlessness due to its sedative and relaxing properties. It is also used to treat depression, headaches, and migraines. Its calming effects promote relaxation and reduce stress.
The active constituents of Calea sp. c include flavonoids, terpenoids, and sesquiterpenes, which are responsible for its medicinal properties. These compounds have been shown to have anxiolytic and sedative effects, as well as anti-inflammatory properties.
The aerial parts of Calea sp. c, particularly the leaves and flowers, are most commonly used for medicinal purposes. These parts are rich in essential oils and contain a high concentration of active constituents. The leaves and flowers are typically dried and used in tea form or as an extract.
Improper use of Calea sp. c can lead to drowsiness, dizziness, and headaches. High doses may also cause stomach upset and nausea. Prolonged use can result in dependence and withdrawal symptoms upon cessation.
Precautions include pregnant or breastfeeding women, children under 12, and individuals with liver or kidney disease. Calea sp. c should also be avoided with other sedatives, tranquilizers, or medications. Consult a healthcare professional before using it for medicinal purposes.
What are the horticulural aspects of Calea sp. c?
Calea sp. c grow in full sun to partial shade with warm temperatures between 18-30°C. It requires well-draining soil with a pH range of 6.0-7.0. Adequate watering is necessary, but the soil should not be waterlogged.
Proper planting involves selecting a spot with adequate air circulation, as dream herb is sensitive to fungal diseases. The seeds should be planted 1-2 cm deep, 30-60 cm apart, and in rows 60-90 cm apart. Water the soil gently but thoroughly after planting.
Dream herb is ready for harvesting 6-8 months after planting, when the flowers are in full bloom. Pinch or cut off the flower stalks to encourage new growth and prevent seed production. Harvest the leaves and flowers in the morning, after the dew has evaporated.
Common pests affecting dream herb include aphids, whiteflies, and spider mites. Fungal diseases such as leaf spot, powdery mildew, and root rot can also occur. Regular monitoring and maintenance can help prevent infestations and diseases, and prevent the spread of disease to other plants.
What are the botanical aspects of Calea sp. c?
Calea sp. c is a perennial plant with a height of 30-120 cm. It has a single stem with simple, alternate leaves that are elliptical to lance-shaped, 2-7 cm long and 0.5-2 cm wide, with a pointed apex and an entire margin.
Taxonomically, Calea sp. c belongs to the family Asteraceae and is closely related to the genus Calea. It has been classified as Calea zygophylla, however, some sources consider it a synonym of Calea natalensis. Further research is needed to clarify its taxonomic status.
The plant has several variants, including Calea zygophylla var. latifolia, which has broader leaves, and Calea zygophylla var. angustifolia, which has narrower leaves. These variants are often found in different regions of South Africa.
Calea sp. c is native to the tropical and subtropical regions of Africa, the Indian Ocean islands, and parts of Asia. It is widely distributed in South Africa, where it is found in the provinces of Limpopo, Mpumalanga, and KwaZulu-Natal.
The life cycle of Calea sp. c involves a germination period of 1-2 weeks, followed by vegetative growth for 6-12 months. The plant flowers in the summer months, producing small, white or yellowish flowers, and seeds are produced in the fall, lasting until the next spring.
What are the historical aspects of Calea sp. c?
Calea sp. c is an ancient medicinal plant used for centuries in various cultures for its sedative and hallucinogenic properties. In pre-Columbian Mexico, it was used in rituals to induce prophetic dreams and visions. It was also employed in traditional medicine to treat fever, headache, and insomnia.
In Aztec mythology, Calea sp. c was associated with the gods of the underworld, Xiuhtecuhtli and Cihuacóat, who were believed to possess the power of prophecy and divination. The plant was also linked to the myth of the Chalchiuhtlicue, the goddess of water and fertility. The Aztecs believed that the plant could connect them with the spiritual realm.
The dream herb has been imbued with symbolic meanings across cultures. In some indigenous traditions, it represents the journey into the collective unconscious, while in others, it signifies the pursuit of knowledge and wisdom. In some African cultures, it is associated with fertility and abundance, and in others, it is seen as a symbol of spiritual growth and renewal.
The historical texts of Calea sp. c can be found in the works of Spanish conquistadors, who documented its use by the Aztecs in their chronicles. The 16th-century Spanish physician, Francisco Hernandez, described the plant's sedative properties and its use in traditional medicine. The 18th-century French botanist, Michel Adanson, wrote about the plant's hallucinogenic effects.
Historical artifacts of Calea sp. c include pre-Columbian pottery and textiles featuring depictions of the plant. The Aztecs used the plant's seeds to create intricate designs on ceramics and fabrics. In some traditional medicine cabinets, the plant's dried leaves and stems were used to make ritualistic offerings to the gods.