Oenothera rosea — a medium houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Oenothera rosea

Oenothera Rosea

Updated · 1,058 observations
A NOTE OF INTEREST

Oenothera rosea, commonly known as the pink evening primrose, is a flowering plant native to North America. It belongs to the Onagraceae family and is a perennial herb that can grow up to 60 cm tall. The plant features lance-shaped leaves arranged in a rosette at the base of the stem, with alternate leaves along its length.

The pink evening primrose produces striking pink flowers that bloom in late spring or early summer. These cup-shaped flowers, measuring about 2-3 cm in diameter, have four petals each. They open at dusk and remain open throughout the night, attracting nocturnal pollinators such as moths.

The plant thrives in well-drained soil with full sun exposure but can also tolerate partial shade. While it is drought-tolerant once established, it requires regular watering during its initial growth period.

In Mexico and Ecuador, Oenothera rosea is a key ingredient in a traditional tonic that is widely and regularly consumed. This herb plays a significant role in the informal economy and is commonly found in local markets. Its medicinal properties are recognized worldwide, and ongoing research aims to further explore and utilize its benefits. FUN FACT · FROM THE LIBRARY

Oenothera rosea is known for its medicinal properties, including anti-inflammatory effects on skin conditions such as eczema and psoriasis. Its oil extract is also used to treat premenstrual syndrome (PMS) symptoms, including breast tenderness, mood swings, and headaches.

Overall, Oenothera rosea is an attractive flowering plant with several medicinal benefits, making it an excellent addition to any garden or landscape design project.

THE NAME

The name "oenothera" for the rose evening primrose has an uncertain origin, but the most likely explanation traces back to Greek. It is thought to come from "oinos," meaning wine, and "thera," meaning to drink or thirst after. There is a belief that when the rose evening primrose is mixed with wine, it can lead to overindulgence.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Oenothera
Family
Onagraceae
Hardiness Zone
4-9
Mature Height
15 cm to 46 cm
Mature Spread
15 cm to 30 cm
Leaf Color
Green, Dark Green
Leaf Type
Deciduous
Flower Color
Pink
Flower Size
2.54 cm
Bloom Time
Late spring, Early summer, Mid summer
Planting Time
Spring
Harvest Time
Summer
Native Area
Colombia, Honduras, Mexico, Guatemala, Bolivia, Peru, El Salvador, Ecuador, Costa Rica
ALSO KNOWN AS

Other names.

en Pink evening-primrose en Rose evening primrose en Rosy Evening-primrose en Rose primrose en Evening-Primrose en Kæmpe Natlys
PLATES
Oenothera rosea leaf
PLATE 01 · leaf
Oenothera rosea leaf
PLATE 02 · leaf
Oenothera rosea flower
PLATE 03 · flower
Oenothera rosea flower
PLATE 04 · flower
Oenothera rosea fruit
PLATE 05 · fruit
Oenothera rosea fruit
PLATE 06 · fruit
ALSO IN THE LIBRARY

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