Summary description from Wikipedia:

Oenothera hartwegii in languages:

English

Hartweg's Sundrops

English

Hartweg's Evening Primrose

English

Hartwegs Sundrops

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Parent Taxon

• Oenothera

Sibling Taxa

• Oenothera berlandieri
• Oenothera gayleana
• Oenothera hartwegii
• Oenothera lavandulifolia
• Oenothera serrulata
• Oenothera toumeyi
• Oenothera tubicula

Child Taxa

• Oenothera hartwegii fendleri
• Oenothera hartwegii filifolia
• Oenothera hartwegii hartwegii
• Oenothera hartwegii maccartii
• Oenothera hartwegii pubescens

Top Observation Places

• Parral
• Chihuahua
• Flagstaff
• Albuquerque
• Lubbock