Contents
Description
Rorippa Dubia is a perennial plant that belongs to the Brassicaceae family. It is commonly known as the White Watercress and is native to North America. The plant has a height of 40-80 cm and has a straight stem with a few branches. The leaves are pinnately divided, toothed, and have a spicy flavor. The flowers are white or pale yellow and bloom in the summer.
Taxonomic Information
| Domain | Eukarya |
| Kingdom | Plantae |
| Phylum | Angiosperms |
| Class | Eudicots |
| Order | Brassicales |
| Family | Brassicaceae |
| Genus | Rorippa |
Appearance
The plant has a height of 40-80 cm and has a straight stem with a few branches. The leaves are pinnately divided, toothed, and have a spicy flavor. The flowers are white or pale yellow and bloom in the summer. The plant has an elongated pod-like fruit that contains several seeds.
Care Guide
Rorippa Dubia requires consistent moisture and grows best in moist soils. Keep the soil evenly moist and avoid overwatering. The plant prefers fertile, well-drained soil that is rich in organic matter. Fertilize once a month during the growing season with a balanced fertilizer. Provide full sun to partial shade exposure. The plant can tolerate a wide range of temperatures and is hardy in USDA hardiness zones 4-9.
Common Pests & Diseases
Rorippa Dubia is relatively disease and pest-free. However, it can be susceptible to fungal diseases such as powdery mildew and rust. The plant may also attract aphids and flea beetles. Treat with an insecticidal soap or neem oil to control pests. Remove infected plant parts and avoid overhead watering to prevent fungal disease.
Habitat
Rorippa Dubia is native to North America and can be found growing in marshes, ditches, and other wet areas. It is commonly found in the eastern and central regions of the United States and Canada.
Question and Answer
Q: Is Rorippa Dubia edible?
A: Yes, the leaves of the plant are edible and have a spicy flavor similar to watercress.
Q: Can Rorippa Dubia grow in shade?
A: Yes, the plant can grow in partial shade but prefers full sun exposure.
Q: How often should Rorippa Dubia be fertilized?
A: Fertilize once a month during the growing season with a balanced fertilizer.
Q: What is the hardiness zone for Rorippa Dubia?
A: Rorippa Dubia is hardy in USDA hardiness zones 4-9.
Related Plants
- Rorippa Islandica
- Rorippa Nasturtium-Aquaticum
- Rorippa Sarmentosa
References
- “Rorippa Dubia (White Watercress) – Plants Identification.” Go Botany, Native Plant Trust, 2021, gobotany.nativeplanttrust.org/species/rorippa/dubia/.
- “Rorippa Dubia.” Missouri Botanical Garden, 2021, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=l930.
- “Rorippa Dubia.” USDA Plants Database, United States Department of Agriculture, plants.usda.gov/core/profile?symbol=RODU.
