Missouri Evening-primrose

Missouri Evening-primrose
Missouri Evening-primrose
 Jim Mason

Missouri Evening-primrose
Oenothera macrocarpa

 

Family Evening Primrose
Longevity Perennial
Height 8 - 12 inches

Bloom Period

March April May June July August September October
  • Description: Stems are spreading or ascending. Leaves are elliptic and can be up to 5 inches long. White, tightly-pressed hairs on the surface give them a silvery appearance. Flowers are composed of four, large, yellow petals with a conspicuous, four-lobed, X-shaped stigma.
  • Comments:  The name macrocarpa, meaning, “large fruit,” refers to the showy, 3-inch long seed pods. The pods turn golden and shiny, with four wide wings that give pods a squared appearance when viewed on end. The flowers open in the evening and wither by noon of the following day. The flowers are pollinated at night by sphinx moths. Missouri Evening-primrose is found on shallow, rocky soil on prairies and bare roadside cuts in the eastern three-quarters of the state.


Missouri Evening-primrose
 David Welfelt

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The Meadow
Text: Iralee Barnard
Design: Jim Mason