Digital Herbaria

Specimen & Label Data

Oenothera tetraptera

Four-Wing Evening Primrose

Onagraceae

Location: SE corner of Austin Hwy & Salado Creek, San Antonio.
Latitude: 0.000000

Habitat: In full sun & half-shade. Alkaline, alluvial slope. Among Poaceae and Brassicaceae. Many large colonies.

Description: Much branched annual, 30 cm tall, from stout taproot. Lower leaves in a basal rosette, sinuate pinnatifid, 8 cm long; upper ones smaller, variable lanceolate to elliptic, petioled. Flowers opening near sunset, white changing to pink. Stigma slightly above anthers. Petals 20+ mm/Hypanthium 16 mm long.

County: Bexar
Collector: Harry Cliffe
Collection Date: Mar 11, 1994
Specimen number: 525

Herbarium Owner: NPSOT
Herbarium ID: 0786
Accession Date: May 26, 1994
Accession Number: 58

Annotations: (In flower & fruit) SCFRB