Showy Evening-primrose

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Photo © by Michael Morton

Showy Evening-primrose
Oenothera speciosa

Also Named: Pinkladies, Pink Evening-primrose

Description: Nodding buds, opening into pink or white flowers, are in the upper leaf axils on slender, downy stems.

Flowers: 3" (7.5 cm) wide; petals 4, broad, sometimes white with pink lines.

Leaves: 2-3" (5-7.5 cm) long, wavy-margined or pinnately cleft, linear to lanceolate.

Fruit: club-shaped, 8-ribbed capsule up to 2" (5 cm) long.

Height: 8-24" (20-60 cm)

Flower: May-July.

Habitat: Prairies, plains, roadsides.

Range: Virginia south to Florida, west to Louisiana, north to Illinois.

Discussion: A hardy and drought resistant species that can form colonies of considerable size. The flowers may be as small as 1" (2.5 cm) wide under drought conditions. The plant is frequently grown in gardens and escapes from cultivation. The flowers of some members of the genus open in the evening so rapidly that the movement can almost be observed.


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