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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Calylophus hartwegii ssp. fendleri (Hartweg's sundrops)
Anderson, Wynn

Calylophus hartwegii ssp. fendleri

Calylophus hartwegii (Benth.) P.H. Raven ssp. fendleri (A. Gray) Towner & P.H. Raven

Hartweg's Sundrops

Onagraceae (Evening Primrose Family)

Synonym(s): Oenothera fendleri, Oenothera hartwegii var. fendleri


USDA Native Status: L48 (N)


From the Image Gallery

15 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Subshrub
Leaf Retention: Evergreen
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Leaf Shape: Linear
Fruit Type: Capsule
Size Notes: Up to about 2 feet tall.

Bloom Information

Bloom Color: Yellow
Bloom Time: Apr , May , Jun , Jul , Aug , Sep , Oct


USA: AZ , CO , KS , NM , OK , TX

Growing Conditions

Light Requirement: Sun

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Calylophus hartwegii ssp. fendleri in USDA Plants
FNA: Find Calylophus hartwegii ssp. fendleri in the Flora of North America (if available)
Google: Search Google for Calylophus hartwegii ssp. fendleri


Record Modified: 2023-04-19
Research By: TWC Staff

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