Pictured are the albicaulis and californica varieties of evening primrose. Albicaulis has white flowers while californica has flowers varying from white to pale pink.
Oenthera Lady Albemarle has distinct, showy crimson flowers. It is a dwarf variety.
Of the Evening Primrose family (Onograceae), the common evening primrose (OEnothera biennis).
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The common name of oenthera is evening primrose. The acaulis variety has white flowers fading into red. The flowers bloom May to September. The plant grows six inches high.
“Evening Primrose: a, flower divested of calyx and corolla, to show the parts or fructification; b, tuberous root.” — Chambers, 1881
Evening Primrose Watercolor, C. 1900