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Oenothera fruticosa

Oenothera fruticosa L.

 

Narrowleaf Evening Primrose, Common Sundrops

KingdomPlantaePlants, but not fungi, lichens, or algae
SubkingdomTracheobiontaVascular plants—plants with a “circulatory system” for delivering water and nutrients
DivisionMagnoliophytaFlowering plants, also known as angiosperms
ClassMagnoliopsidaDicotyledons—plants with two initial seed leaves
SubclassRosidaeRoses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
OrderMyrtalesIncludes myrtles, leadwoods, loosestrifes, pomegranates, evening primroses, many others
FamilyOnagraceaeWillowherb/evening primrose family
GenusOenotheraDerivation uncertain: 1. Greek ονος θηρας (onos theras), or “donkey catcher.” 2. Or οινος θηρας (oinos theras), “wine seeker.” 3. Or Latin oenothera, “a plant whose juices may cause sleep”
SpeciesfruticosaLatin for “bushy”

About plant names...

Narrowleaf evening primrose is a North American native.

Identification: Plants are 18-30" (45-76 cm) tall, a loose cluster of stems. Leaves are lance-shaped along the stem, 1-4" (2.5-10 cm) long. Leaves at the base of the plant are more spatula-shaped. Bright yellow flowers have four petals and are up to 2" (5 cm) in diameter. They appear from June to August.

Online References:

Oenothera fruticosa on Southeastern Flora, the Southeastern U.S. Plant Identification Resource

Oenothera on North Carolina Wildflowers, Shrubs, & Trees, by Jeff Pippen

Oenothera fruticosa at the Lady Bird Johnson Wildflower Center

Oenothera fruticosa on FLORIDATA

Oenothera fruticosa on the Connecticut Botanical Society's Connecticut wildflowers site

Oenothera fruticosa on emilydecampherbarium.rutgers.edu

Oenothera fruticosa on Erv Evans' site at the North Carolina State University College of Agriculture and Life Sciences

Oenothera fruticosa (Narrowleaf Evening Primrose, Common Sundrops)

7/28/2009 · Near Nashua River Boat Ramp, Groton, MA
≈ 13 × 13" (33 × 33 cm) ID is uncertain

Oenothera fruticosa (Narrowleaf Evening Primrose, Common Sundrops)

6/15/2010 · Garden in the Woods, Framingham, MA
≈ 15 × 10" (39 × 26 cm)

Oenothera fruticosa description by Thomas H. Kent, last updated 16 Aug 2013.

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Oenothera fruticosa (Narrowleaf Evening Primrose, Common Sundrops)

6/22/2017 · Garden in the Woods, Framingham, MA
≈ 5 × 5" (13 × 13 cm)

Oenothera fruticosa (Narrowleaf Evening Primrose, Common Sundrops)

7/28/2009 · Near Nashua River Boat Ramp, Groton, MA
≈ 3 × 2" (8.3 × 5.9 cm) ID is uncertain

Oenothera fruticosa (Narrowleaf Evening Primrose, Common Sundrops)

6/15/2010 · Garden in the Woods, Framingham, MA
≈ 6 × 4" (15 × 10 cm)

Oenothera fruticosa (Narrowleaf Evening Primrose, Common Sundrops)

7/28/2009 · Near Nashua River Boat Ramp, Groton, MA
≈ 4 × 4" (10 × 10 cm) ID is uncertain

Range: Zones 4-8:

About this map...