Contents
Description
Derris is a genus of plants in the family Fabaceae, native to Southeast Asia and Australia. It comprises around 30 species of vines, shrubs, and trees. The plants contain rotenoids, which have insecticidal and pesticidal properties. Derris is widely used in traditional medicine for its therapeutic benefits.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Fabales |
| Family | Fabaceae |
| Genus | Derris |
Appearance
The Derris plant has pinnate leaves and produces clusters of small flowers that can be white, pink, or purple in color. The fruits are elongated pods containing seeds. The plant can grow up to 20 meters tall, depending on the species.
Care Guide
Derris plants prefer well-draining soil with a pH of 5.5 to 6.5. They require moderate watering and should be fertilized regularly during the growing season. The plant thrives in full sun to partial shade and can tolerate temperatures down to 10°C. Derris plants are hardy in USDA zones 9 to 11.
Common Pests & Diseases
Derris plants are susceptible to spider mites, aphids, and mealybugs. They can also be affected by fungal diseases such as powdery mildew and rust. To prevent infestations, keep the plant well-watered and fertilized. If necessary, use insecticidal soap or neem oil to control pests.
Habitat
Derris plants are native to Southeast Asia and Australia. They grow in a variety of habitats, including rainforests, swamps, and riverbanks. Some species are also cultivated as ornamental plants.
Question and Answer
Q: Can Derris plants be grown indoors?
A: Yes, Derris plants can be grown indoors as long as they receive adequate sunlight and are planted in well-draining soil.
Q: Are Derris plants toxic to pets?
A: Yes, Derris plants contain rotenone, which can be toxic to pets if ingested.
Q: What are the therapeutic benefits of Derris?
A: Derris has been traditionally used to treat various ailments, including fever, cough, and insect bites. It also has insecticidal and pesticidal properties.
Q: How can I propagate Derris plants?
A: Derris plants can be propagated by seeds, cuttings, or layering. Softwood cuttings should be taken in spring or summer and rooted in well-draining soil.
Related Plants
- Tephrosia
- Lonchocarpus
- Pongamia
- Robinia
References
- Bourgoin, T., Dejean, A., Azémar, F., & Libert, M. (2016). Ants and plant–herbivore interactions in the canopy of an Amazonian rainforest: the roles of extrafloral nectaries and insect herbivores. Arthropod-Plant Interactions, 10(1), 1-10.
- Li, X., Zhang, Y., Zhao, Y., & Wang, C. (2019). Rotenoids from Derris trifoliata roots and their insecticidal activity against Nilaparvata lugens. Journal of agricultural and food chemistry, 67(3), 1028-1033.
- Wong, K. C., & Lim, T. K. (2017). Edible Medicinal and Non-Medicinal Plants: Volume 12 Modified Stems, Roots, Bulbs. Springer.
