Irish wildflowers

Intermediate Evening-primrose, Oenothera x fallax
Photographs: garden, Co.Cork

Intermediate Evening-primrose
Oenothera x fallax / Oenothera biennis x glazioviana
Family: Onagraceae

Flowering: June-September. Biennial. Garden escape. Introduced.

Unscented yellow flowers with 4 petals, 2-3cm. Sepals striped red. Seed capsules 2-3cm. Self-seeds freely. Erect growth to 1.5m. Identified by Paul Green

Prefers open, well-drained soil, but can grow on heavier, part-shaded ground.

"Intermediate Evening-primrose is a stable derivative of Large-flowered Evening-primrose, O. glazioviana (female) and Common Evening-primrose, O. biennis (male). It is constant in appearance and can occur in absence of parents. Back-crosses can occur." (Stace 1995)
     


Intermediate Evening-primrose, Oenothera x fallax       Intermediate Evening-primrose, Oenothera x fallax
Intermediate Evening-primrose. Self-seeded in garden, Ballingeary, Co.Cork

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