Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Rosids: Malvids: Myrtales
WEAKLEY'S FLORA (11/30/12):
Oenothera biennis
FAMILY
Onagraceae
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
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 137-02-001:
Oenothera biennis
FAMILY
Onagraceae
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
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USDA-NRCS PLANTS Database / USDA Wetland flora: Field office illustrated guide pnd_oebi_011_lvd
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JK Marlow jkm150415_317
April Greenville County SC
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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.
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JK Marlow jkm150714_493
July Greenville County SC
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JK Marlow jkm150714_495
July Greenville County SC
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JK Marlow jkm130823_509
August Greenville County SC
Swamp Rabbit Trail
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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.
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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.
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JK Marlow jkm190804_0595
August Greenville County SC
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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.
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Richard and Teresa Ware rtw_oenothera_biennis_2
October
Sepals reflexed, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
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Richard and Teresa Ware rtw_oenothera_biennis_4
October
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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 (11/30/12):
Oenothera biennis
FAMILY
Onagraceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Oenothera biennis
FAMILY
Onagraceae
INCLUDED WITHIN
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 137-02-001:
Oenothera biennis
FAMILY
Onagraceae
980
Forb
Biennial
Native to the Carolinas & Georgia
Documented growing wild in GA NC SC
Common
Look for it in fields, pastures, roadsides, disturbed areas, per Weakley's Flora
Click here to see a more detailed map from University of North Carolina at Chapel Hill Herbarium,
or click here to see a map from SERNEC, a consortium of southeastern herbaria.
...Variable
...Dry
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