Oenothera fruticosa (Narrowleaf evening primrose)

Oenothera fruticosa L.

Narrowleaf evening primrose, common sundrops

Kingdom	Plantae	Plants, but not fungi, lichens, or algae
Subkingdom	Tracheobionta	Vascular plants—plants with a “circulatory system” for delivering water and nutrients
Division	Magnoliophyta	Flowering plants, also known as angiosperms
Class	Magnoliopsida	Dicotyledons—plants with two initial seed leaves
Subclass	Rosidae	Roses, legumes, proteas, dogwoods, hydrangeas, mistletoes, euphorbias, grapes, many more
Order	Myrtales	Includes myrtles, leadwoods, loosestrifes, pomegranates, evening primroses, many others
Family	Onagraceae	Willowherb/evening primrose family
Genus	Oenothera	Derivation 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”
Species	fruticosa

About plant names...

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Oenothera fruticosa L. ssp. fruticosa

Kneiffia allenii (Britton) Small

Kneiffia arenicola Small

Kneiffia brevistipata (Pennell) Munz

Kneiffia fruticosa (L.) Raimann

Kneiffia linearis (Michx.) Spach

Kneiffia longipedicellata Small

Kneiffia riparia (Nutt.) Small

Kneiffia semiglandulosa Pennell

Kneiffia subglobosa Small

Oenothera arenicola (Small) Coker

Oenothera fruticosa L. var. eamesii (B.L. Rob.) S.F. Blake

Oenothera fruticosa L. var. goodmanii Munz

Oenothera fruticosa L. var. humifusa Allen

Oenothera fruticosa L. var. linearis (Michx.) S. Watson

Oenothera fruticosa L. var. microcarpa Fernald

Oenothera fruticosa L. var. subglobosa (Small) Munz

Oenothera fruticosa L. var. unguiculata Fernald

Oenothera fruticosa L. var. vera Hook.

Oenothera longipedicellata (Small) B.L. Rob.

Oenothera tetragona Roth var. brevistipata (Pennell) Munz

Oenothera tetragona Roth var. longistipata (Pennell) Munz

Oenothera tetragona Roth var. riparia (Nutt.) Munz

Oenothera tetragona Roth var. sharpii Munz

Oenothera tetragona Roth var. velutina (Pennell) Munz

Oenothera fruticosa description by Thomas H. Kent, last updated 25 May 2020.

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

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

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

7/28/2009 · Near Nashua River Boat Ramp, Groton, Massachusetts
≈ 3 × 2½" (8 × 6.5 cm) ID is uncertain

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

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

Range: Zones 4-8:

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