Oenothera caespitosa Nutt.
Oenothera cespitosa Nutt. orth. var.
Tufted Evening Primrose, Fragrant Evening Primrose
|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||caespitosa||Caespitose, having a densely-clumped, tufted or cushion-like growth form, with the flowers held above the clump or tuft, alternate spelling cespitose|
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Oenothera caespitosa description by Thomas H. Kent, last updated 25 May 2020.
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5/22/2009 · Sunset Crater, AZ
≈ 5 × 6" (13 × 15 cm)
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