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Missouri Primrose

Oenothera macrocarpa

Other common name(s):

Bigfruit Evening-primrose, Missouri Evening-primrose, Fluttermill, Big-fruit Evening-primrose, Bigfruit Evening Primrose

Family:

Onagraceae (Evening Primrose Family)

Plant Ecoregion Distribution Map

Central Great Plains, Cross Timbers, Edwards Plateau, High Plains, Southwestern Tablelands, Texas Blackland Prairies
Limestone Plains
Carbonate Cross Timbers, Eastern Cross Timbers, Grand Prairie, Limestone Cut Plain
Balcones Canyonlands
Canadian/Cimarron High Plains, Llano Estacado
Canadian/Cimarron Breaks, Semiarid Canadian Breaks
Northern Blackland Prairie

Plant Characteristics

Growth Form

Herbaceous

Height

0.5
to
1
ft.

Spread

1
to
1.5
ft.

Leaf Retention

Deciduous

Lifespan

Perennial

Habitat and Care Requirements

Soil Type(s)

Sand, Loam, Gravelly, Rocky, Calcareous

Light Requirement

Sun, Part Shade

Water Requirement

Low

Native Habitat

Grassland

Bloom and Attraction

Bloom Color

Yellow

Bloom Season

Summer

Seasonal Interest

Nectar, Pollen

Wildlife Benefit

Hummingbirds, Moths, Bees

Maintenance

A good addition to rock gardens. Prevent complete soil dryness, Propagation: Seed.

Comments

Blooms April-August. Can be upright or trailing. The foliage is narrow, thick and gray-green. Showy, large yellow flowers that open in the evening, closing the next day. A handsome plant with a low mounding habit. May go dormant in hot dry summers. This species is pollinated primarily by hawk moths

References

1) Griffith, Bryce, Omernick & Rodgers (2007). Ecoregions of Texas. 2) https://www.wildflower.org/plants/result.php?id_plant=OEMA. 3) https://portal.torcherbaria.org/portal/taxa/index.php?taxon=Oenothera+macrocarpa&formsubmit=Search+Terms. 4) http://bonap.net/TDC/Image/Map?taxonType=Species&taxonId=15762&locationType=County&mapType=Normal. 5) https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=504004#null, 6) Native and Adapted Landscape Plants, City of Austin and Texas A&M, 2014.

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