Oenothera fruticosa L. ssp. tetragona (Roth) W.L. Wagner
Sundrops, narrowleaf evening primrose
[An article has not been written yet.]
8/1/2009 · Coastal Maine Botanical Gardens, Boothbay, Maine · ≈ 6 × 9″ (16 × 24 cm) 
8/1/2009 · Coastal Maine Botanical Gardens, Boothbay, Maine · ≈ 2 × 1½′ (63 × 42 cm) 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| 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 | From Latin frutex, “a shrub”: shrubby or bushy |
| ssp. | tetragona | From Greek meaning “bluish-gray,” referring to a “bloom” or whitish powdery covering on leaves |
Oenothera fruticosa ssp. tetragona description by Thomas H. Kent, not updated.
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