Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Myrtales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Oenothera biennis
FAMILY
Onagraceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Common Evening Primrose at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Oenothera biennis
FAMILY
Onagraceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Oenothera biennis
SYNONYMOUS WITH
Flora of North America
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.
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USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913 pnd_oebi_001_lvd
)
USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_oebi_011_lvd
)
JK Marlow jkm150415_317
April Greenville County SC
)
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.
)
JK Marlow jkm150714_493
July Greenville County SC
)
JK Marlow jkm150714_495
July Greenville County SC
)
JK Marlow jkm130823_509
August Greenville County SC
Swamp Rabbit Trail
)
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.
)
JK Marlow jkm150813_004b
August Greenville County SC
)
JK Marlow jkm180813_3732
August Greenville County SC
)
JK Marlow jkm180813_3735
August Greenville County SC
)
JK Marlow jkm190804_0566
August Greenville County SC
)
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.
)
JK Marlow jkm190804_0595
August Greenville County SC
)
)
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.
)
Richard and Teresa Ware rtw_oenothera_biennis_2
October
Sepals reflexed, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
)
Richard and Teresa Ware rtw_oenothera_biennis_4
October
)
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.
)
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.
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Oenothera biennis
FAMILY
Onagraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Oenothera biennis
FAMILY
Onagraceae
SYNONYMOUS WITH
Floristic Synthesis of North America. BONAP (Kartesz, 2021)
Oenothera biennis
SYNONYMOUS WITH
Flora of North America
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
980
Forb
Biennial
Native to the Carolinas & Georgia
Common
Habitat: Fields, pastures, roadsides, disturbed areas, per Weakley's Flora
Click here to see a map, notes, and images from Weakley's Flora of the Southeastern US.
Click here to see a map showing all occurrences known to SERNEC, a consortium of southeastern herbaria. (Zoom in to see more detail.)
LEAVES:
Simple
Alternate
FLOWER:
Summer/Fall
Yellow
4-lobed calyx
4 petals
8 exserted stamens
Inferior ovary
FRUIT:
Summer/Fall
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- All About South Carolina Wildflowers p207
- Forest Plants of the Southeast and Their Wildlife Uses p134
- Great Smoky Mountains Wildflowers p084
- Newcomb's Wildflower Guide p134
- Southern Appalachian Wildflowers p101
- Wildflowers of the Atlantic Southeast p237
- Wildflowers of the Carolina Lowcountry p211
- Wildflowers of the Eastern United States p057
- Wild Flowers of NC, 1st edition p124
- Wild Flowers of NC, 2nd edition p161
- Wildflowers of Tennessee p152
- Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians p188
- Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont p409
- Wildflowers of the Southern Mountains p107