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Biennial Evening Primrose, Common Evening Primrose

Oenothera biennis L.

Onagraceae (Evening Primrose Family)

first year rosette

young second-year plant

flowering plant▲▼

flowering plant▲▼

flower details

flowers, with fruit forming below on stem

Common Evening Primrose, Biennial Evening Primrose: 

·                     a biennial weed with first year growth a rosette of long, lanceolate leaves, often with orangish or reddish tints to them

·                     flowers are yellow, somewhat lemon-scented, in tall flowering spikes in second  year—open in evening; close by morning

·                      flower petal tips are blunt or with a notch in them at the tip

·                     produces many seeds in 1” long, cigar-like fruit; in the Evening Primrose (Onagraceae) Family

·                     prefers full sun, moist to wet soils

·                     sometimes included in wildflower seed mixtures


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