species 3,791 observations
Hartweg's Sundrops
Oenothera hartwegii
Field notes
Oenothera hartwegii (syn. Calylophus hartwegii), Hartweg's sundrops, is a species of flowering plant in the evening primrose family Onagraceae. It is native to the desert southwest of the United States, and to northern and western Mexico. A perennial usually 30 to 45 cm (12 to 18 in) tall and 60 cm (24 in) wide, it is used locally as a drought-resistant ground cover.
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Caterpillars
Moths and butterflies raised on it


White-lined Sphinx, Bedstraw Hawkmoth, Primrose Moth, Red-streaked Mompha Moth
13
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Specialist bees
Bees whose young are raised on the pollen of it



Texas Nocturnal Sweat Bee, Epimelissodes comptus, Anthophora affabilis, Lasioglossum noctivaga
5
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Hosted animals
Gall makers, leaf miners and other animals living on or in it
Spotted Cucumber Beetle
1
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Plant eaters
Animals that feed on it



Anna's Hummingbird, Beeblossom Aphid, Lesser Prairie-Chicken, Mourning Dove
9
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Flower visitors
Pollinators and other flower visitors



Orange-tipped Woodborer, Kern's Flower Scarab, Brown-winged Striped Sweat Bee, Sutured Longhorn Beetle
42
Children
Range
Greener is more native, amber more introduced; paler is less certain. How this was decided
Key traits
- Layer
- Herbaceous plants
- Plant type
- Perennial Wildflower
From USDA PLANTS.