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Pictured are capsules of evening primrose, <i>oenothera biennis</i>. The capsules are an inch long and loosely arranged on the lower part of the flower spikes.

Evening Primrose Capsules

Pictured are capsules of evening primrose, oenothera biennis. The capsules are an inch long and loosely…

The common name of oenothera biennis is common evening primrose. The lamarckiana variety has larger and finer flowers.

Oenothera Biennis Lamarckiana

The common name of oenothera biennis is common evening primrose. The lamarckiana variety has larger…

Of the Evening Primrose family (Onograceae), the common evening primrose (OEnothera biennis).

Common Evening Primrose

Of the Evening Primrose family (Onograceae), the common evening primrose (OEnothera biennis).