OF THE CAROLINAS & GEORGIA

Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Myrtales

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Oenothera biennis   FAMILY Onagraceae   Go to FSUS key



SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Oenothera biennis   FAMILY Onagraceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 10 (2021)

Oenothera biennis

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)

Oenothera biennis

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)

Oenothera biennis

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 137-02-001:

Oenothera biennis   FAMILY Onagraceae

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)

Oenothera biennis

 

COMMON NAME:
Common Evening-primrose


         To see larger pictures, click or hover over the thumbnails.

image of Oenothera biennis, Common Evening-primrose

USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913    pnd_oebi_001_lvd

        

image of Oenothera biennis, Common Evening-primrose

USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide    pnd_oebi_011_lvd

        

image of Oenothera biennis, Common Evening-primrose

JK Marlow    jkm150415_317

April    Greenville County    SC

image of Oenothera biennis, Common Evening-primrose

Jerry Bright    jeb_mg_0521

July    Haywood County?    NC

Pisgah National Forest: Pisgah Ranger District

Four broad yellow petals with notched tips. Yellow anthers extended, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).

image of Oenothera biennis, Common Evening-primrose

JK Marlow    jkm150714_493

July    Greenville County    SC

image of Oenothera biennis, Common Evening-primrose

JK Marlow    jkm150714_495

July    Greenville County    SC

image of Oenothera biennis, Common Evening-primrose

JK Marlow    jkm130823_509

August    Greenville County    SC

Swamp Rabbit Trail

image of Oenothera biennis, Common Evening-primrose

JK Marlow    jkm130823_514

August    Greenville County    SC

Swamp Rabbit Trail

Lvs lanceolate to oblong, spiraling, ascending or spreading around stem, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).

image of Oenothera biennis, Common Evening-primrose

JK Marlow    jkm150813_004b

August    Greenville County    SC

image of Oenothera biennis, Common Evening-primrose

JK Marlow    jkm180813_3732

August    Greenville County    SC

image of Oenothera biennis, Common Evening-primrose

JK Marlow    jkm180813_3735

August    Greenville County    SC

image of Oenothera biennis, Common Evening-primrose

JK Marlow    jkm190804_0566

August    Greenville County    SC

image of Oenothera biennis, Common Evening-primrose

JK Marlow    jkm190804_0573

August    Greenville County    SC

Its erect stem may be 6' tall and is seldom branched except near the top, per Wildflowers of the Southern Mountains (Smith, 1998).

image of Oenothera biennis, Common Evening-primrose

JK Marlow    jkm190804_0595

August    Greenville County    SC

image of Oenothera biennis, Common Evening-primrose

Tim Spira    tpsobiennis2

September        

Flowers open at twilight, per Wildflowers of Tennessee (Carman, 2005).

image of Oenothera biennis, Common Evening-primrose

JK Marlow    jkm141009_115

October    Greenville County    SC

Swamp Rabbit Trail

Hypanthium present, prolonged above the inferior ovary as a calyx tube, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).

image of Oenothera biennis, Common Evening-primrose

Richard and Teresa Ware    rtw_oenothera_biennis_2

October        

Sepals reflexed, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians (Horn, Cathcart, Hemmerly, & Duhl, 2005).

image of Oenothera biennis, Common Evening-primrose

Richard and Teresa Ware    rtw_oenothera_biennis_4

October        

image of Oenothera biennis, Common Evening-primrose

JK Marlow    jkm111106_219

November    Haywood County    NC

Fruit a 4-chambered capsule, splitting from top to base, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).

image of Oenothera biennis, Common Evening-primrose

JK Marlow    jkm111106_222

November    Haywood County    NC

Cylindric capsule, 1.5-4cm long x 4-5mm wide, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).

 

 

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/14/23):
Oenothera biennis   FAMILY Onagraceae

SYNONYMOUS WITH PLANTS NATIONAL DATABASE:
Oenothera biennis   FAMILY Onagraceae

SYNONYMOUS WITH Flora of North America north of Mexico, vol. 10
Oenothera biennis

SYNONYMOUS WITH Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Oenothera biennis

SYNONYMOUS WITH Floristic Synthesis of North America (Kartesz, 1999)
Oenothera biennis

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 137-02-001:
Oenothera biennis   FAMILY Onagraceae

INCLUDED WITHIN Manual of the Southeastern Flora (Small, 1933, 1938)
Oenothera biennis

 

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