Limnanthes alba

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Jenderek maria limnanthes alba

Limnanthes alba, commonly known as white meadowfoam, is a species of flowering plant in the family Limnanthaceae. It is native to the western United States, particularly in California and Oregon. This annual herb is notable for its use in the production of meadowfoam seed oil, which is valued in the cosmetics industry for its stability and moisturizing properties.

Description

Limnanthes alba is an annual herb that typically grows to a height of 10-30 cm. The plant has a branching habit and produces delicate, white flowers with five petals. The leaves are pinnately divided and can be up to 5 cm long. The flowers bloom in the spring, usually from April to June, depending on the local climate.

Habitat

Limnanthes alba thrives in wet, marshy environments, often found in meadows and along stream banks. It prefers full sun to partial shade and can tolerate a range of soil types, although it performs best in well-drained soils.

Cultivation and Uses

The primary commercial use of Limnanthes alba is the extraction of meadowfoam seed oil from its seeds. This oil is highly stable and resistant to oxidation, making it a popular ingredient in cosmetics and personal care products. The plant is also grown as a cover crop to improve soil health and prevent erosion.

Ecological Importance

Limnanthes alba plays a significant role in its native habitat by providing nectar and pollen for various pollinators, including bees and butterflies. Its presence in wetland areas helps to maintain the ecological balance and supports biodiversity.

Related Species

Limnanthes alba is closely related to other species in the Limnanthes genus, such as Limnanthes douglasii and Limnanthes floccosa. These species share similar habitats and ecological roles but can be distinguished by their flower color and leaf morphology.

Conservation Status

While Limnanthes alba is not currently listed as an endangered species, its habitat is threatened by agricultural development and urbanization. Conservation efforts are focused on preserving wetland areas and promoting sustainable agricultural practices.

See Also

• Meadowfoam seed oil
• Limnanthes
• Limnanthaceae
• California flora
• Oregon flora