|Scientific Name||Oenothera grandis (Oenothera laciniata var. grandis)||USDA PLANTS Symbol||OEGR2|
|Common Name||Showy Evening Primrose||ITIS Taxonomic Serial No.||27403|
|Family||Onagraceae (Evening Primrose)||Kansas Wildflowers & Grasses Ref.||Click Here|
|Description||Habitat: Usually sandy soils in fields, prairies, pastures and waste areas.
Plant: Erect simple or decumbent much-branched annual 8 to 30 inches tall; simple or branched from base with stems up to 24 inches long; somewhat hairy foliage.
Leaves: Basal leaves with long petioles, oblanceolate and 4 to 12 inches long and up to 5/8 inch wide, irregularly-toothed margins; stem leaves alternate, on short petioles, elliptic to oblanceolate, about 1/2 to 2-3/8 inches long, pinnately-cleft into rounded lobes, or sometimes wavy-edged or toothed.
Inflorescence: Arising from the upper leaf axils, solitary, showy flowers up to 3 inches across, with 4 yellow petals; 8 yellow stamens and prominent yellow stigma; 4 sepals reflexed to one side beneath; floral tube 1 to 2 inches long; flower opens in the evening.
Bloom Period: March to June.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston and Kansas Wildflowers and Grasses.
|BONAP Distribution Map
Map Color Key
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023