Angiosperms (Flowering Plants) • Earth.com

Narrow-flowered evening-primrose

(Oenothera curtiflora)

galery
en

Description

Oenothera curtiflora is a species of flowering plant in the evening primrose family, Onagraceae. It is commonly known as narrow-flowered evening-primrose, short-flowered evening-primrose, or small-flowered evening-primrose. This species is native to North America and can be found in various habitats, including prairies, fields, and open woods. Description Oenothera curtiflora is a herbaceous perennial plant that grows to a height of 30-60 cm. The stems are erect, unbranched, and covered in short, stiff hairs. The leaves are alternate and lanceolate in shape, with entire margins and a rough texture. The lower leaves are larger than the upper leaves and can be up to 15 cm long. The flowers are borne on slender, erect stalks that arise from the axils of the leaves. The flowers have four petals that are white or pale pink in color and measure 1-2 cm in diameter. The flowering period for Oenothera curtiflora is from June to September. Taxonomy Oenothera curtiflora was first described by Thomas Nuttall in 1818. It belongs to the genus Oenothera, which is a large and diverse group of flowering plants in the Onagraceae family. Oenothera curtiflora is one of many species in the genus that is commonly known as evening-primrose. The genus name Oenothera is derived from the Greek words "oinos" (wine) and "thera" (hunt), referring to the belief that the roots of some species were used to cure hangovers. Distribution Oenothera curtiflora is native to North America and can be found from eastern Canada to the central United States. Its range extends from Quebec and Ontario in the north, south to Texas and east to the Atlantic coast. Within its range, it is found in a variety of habitats, including prairies, meadows, fields, and open woods. Cultivation Oenothera curtiflora is a hardy plant that can be grown in a variety of conditions. It prefers full sun and well-drained soil but can tolerate some shade and a range of soil types. It is drought-tolerant and can be used in xeriscaping. The plant can be propagated by seed or by dividing the clumps in the fall. It is relatively free of pests and diseases. Uses Oenothera curtiflora has a number of traditional medicinal uses. The roots and leaves of some species of Oenothera have been used by Native Americans to treat a variety of ailments, including coughs, sore throats, and skin irritations. The plant has also been used to induce labor and to treat menstrual cramps. In addition to its medicinal uses, Oenothera curtiflora has ornamental value. Its delicate flowers are attractive to bees and other pollinators, making it a good plant for a pollinator garden. It can also be used as a border plant or as a ground cover in a rock garden. Conservation Status Oenothera curtiflora is not considered to be a threatened or endangered species. However, like many species of native plants, it is susceptible to habitat loss and degradation. The conversion of prairies and other natural habitats to agricultural land, urbanization, and invasive species all pose a threat to the survival of this plant and other native species. Conclusion Oenothera curtiflora is a hardy and versatile plant that has both ornamental and medicinal value. Its delicate flowers and attractive foliage make it a good choice for a pollinator garden.

Taxonomic tree:

Domain:
Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Order:Myrtales
Family:Onagraceae
Genus:Oenothera
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