|Scientific Name||Oenothera macrocarpa (Oenothera missouriensis)||USDA PLANTS Symbol||OEMA|
|Common Name||Big-fruit Evening Primrose||ITIS Taxonomic Serial No.||504004|
|Family||Onagraceae (Evening Primrose)||SEINet
|Description||Habitat: Dry caliche soils in limestone outcrops, hillsides and prairies.
Plant: Erect perennial, several stems or sometimes no apparent stems, 4 to 18 inches tall.
Leaves: Narrowly lanceolate or elliptic to broadly lanceolate basal leaves, 2 to 4 inches long with smooth or slightly fine-toothed edges; petioles 3/8 to 2 inches long.
Inflorescence: Opening near sunset, showy large yellow blossoms 3-1/2 inches across, 4 petals; sepals 3/4 to 1-1/4 inches long, floral tube 2 to 4 inches long.
Bloom Period: May to August.
References: O. missouriensis (synonym) in both "Wildflowers of the Texas Hill Country" by Marshall Enquist and "Manual of the Vascular Plants of Texas" by Correll and Johnston; and O. macrocarpa in SEINet.
|BONAP Distribution Map
Map Color Key
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023