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Oenothera flava
Also called Long Tube Evening Primrose, Long Tubed Evening Primrose, Low Yellow Evening Primrose, Yellow Eveningprimrose, Yellow Lavauxia
Oenothera flava, the yellow evening primrose (a name it shares with Oenothera serrulata), is a species of flowering plant in the family Onagraceae. It is native to western Canada (except British Columbia), the western and central United States, and Mexico (except southeastern Mexico), and it has been introduced to the former Czechoslovakia. An almost stemless perennial reaching 20 cm (8 in), it is typically found in damp situations such as prairie swales, open woodlands, and alongside streams.
Whitest evening primrose · California Evening Primrose · Evening Primrose · Common evening primrose · Tufted Evening Primrose · Woolly Beeblossom · Cleland's evening primrose · Crownleaf evening primrose · Velvetweed · Antioch Dunes evening primrose · Birdcage evening primrose · Oenothera dodgeniana
Text excerpted from the Wikipedia article Oenothera flava by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
