Oenothera macrocarpa
(Big-fruit Evening Primrose)
Oenothera macrocarpa, Lake Whitney State Park, Hill Co. 7883
Oenothera macrocarpa, Along CR 207 north of Bertram, Burnet Co. 6164
Oenothera macrocarpa, Along CR 207 north of Bertram, Burnet Co. 6169
Oenothera macrocarpa, Along CR 207 north of Bertram, Burnet Co. 6104
Oenothera macrocarpa, Lake Whitney State Park, Hill Co. 7873
Oenothera macrocarpa, Lake Whitney State Park, Hill Co. 7870
Oenothera macrocarpa, Along CR 207 north of Bertram, Burnet Co. 6102
| 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 Reference |
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| 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 |
Texas Status: Native |
Banner photo of Castilleja indivisa and Lupinus ssp. taken along FM 1323 north of Johnson City, Blanco County
© Tom Lebsack 2024