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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. hartwegii (Hartweg's sundrops)
Loughmiller, Campbell and Lynn

Calylophus hartwegii ssp. hartwegii

Calylophus hartwegii (Benth.) P.H. Raven ssp. hartwegii

Hartweg's Sundrops

Onagraceae (Evening Primrose Family)

Synonym(s): Galpinsia hartwegii, Oenothera hartwegii, Oenothera hartwegii var. typica, Salpingia hartwegii


USDA Native Status: L48 (N)


From the Image Gallery

2 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Subshrub
Fruit Type: Capsule
Size Notes: Up to about 2 feet tall.

Bloom Information

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


Native Distribution: Mountains and canyons of the south Trans-Pecos of Texas, especially along the Rio Grande River.


Bibref 293 - Manual of the Vascular Plants of Texas (1979) Correll, D. S. & M. C. Johnston

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Additional resources

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


Record Modified: 2011-07-16
Research By: TWC Staff

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