Lepidium
Contents
Description
Lepidium is a genus of flowering plants that belongs to the Brassicaceae or mustard family. This plant genus comprises over 200 species, which are distributed all over the world. Lepidium species are characterized by their small white, pink, or purple flowers and their small, round, or oval-shaped fruits or seed pods. The seeds of some species are edible and used to be a popular food source among some Native American tribes.
Taxonomic Information
| Domain | Eukarya |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Brassicales |
| Family | Brassicaceae |
| Genus | Lepidium |
Appearance
Lepidium species vary in size, shape, and color. Some species are annuals, while others are perennials. The leaves of Lepidium plants are usually small and simple, with serrated or smooth margins. Some species have a rosette of basal leaves, while others have alternate leaves. The flowers are usually small and white, pink, or purple, and they are arranged in clusters or racemes. The fruits or seed pods are small, round, or oval-shaped and contain one or more seeds.
Care Guide
Lepidium plants are generally easy to care for and can be grown in containers or in the ground. Here are some tips for caring for your Lepidium plants:- Water: Lepidium plants prefer well-drained soil and moderate watering. Water your plants when the top inch of soil feels dry to the touch.- Fertilization: Lepidium plants do not require frequent fertilization. You can apply a balanced fertilizer once a month during the growing season.- Soil: Lepidium plants grow best in well-drained soil that is rich in organic matter. The soil pH should be between 6.0 and 7.5.- Sunlight: Lepidium plants prefer full sun but can tolerate partial shade.- Hardiness Zones: Lepidium plants are hardy in USDA zones 4-9.
Common Pests & Diseases
Lepidium plants are generally resistant to pests and diseases. However, they may be susceptible to some common garden pests, such as aphids and whiteflies. These pests can be controlled with insecticidal soap or neem oil. Lepidium plants may also be affected by fungal diseases, such as powdery mildew and downy mildew. These diseases can be prevented by avoiding overhead watering and providing good air circulation.
Habitat
Lepidium plants are found in a variety of habitats, including deserts, grasslands, forests, and wetlands. Some species are adapted to dry, sandy soils, while others prefer moist, well-drained soils. Lepidium species are also found in disturbed areas, such as roadsides, fields, and waste areas.
Question and Answer
Q: Are Lepidium plants poisonous?
A: No, Lepidium plants are not poisonous. However, some species may cause skin irritation or allergic reactions in some people.
Q: Can Lepidium plants grow in containers?
A: Yes, Lepidium plants can be grown in containers as long as the container has good drainage and the soil is well-drained.
Q: How often should I fertilize my Lepidium plants?
A: Lepidium plants do not require frequent fertilization. You can apply a balanced fertilizer once a month during the growing season.
Q: Can Lepidium plants be grown indoors?
A: Yes, Lepidium plants can be grown indoors as long as they receive adequate sunlight and are not overwatered.
Related Plants
Here are some related plants in the Brassicaceae family:- Brassica oleracea (cabbage)- Brassica rapa (turnip)- Brassica napus (canola)- Raphanus sativus (radish)- Sinapis alba (white mustard)
References
– “Lepidium.” Missouri Botanical Garden. Accessed September 14, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=283000.- “Lepidium.” PlantNet. Accessed September 14, 2021. https://www.plantnet.org/en/illustration/lepidium.html.- “Lepidium.” World Flora Online. Accessed September 14, 2021. http://www.worldfloraonline.org/taxon/wfo-4000008648.
