Oenothera hybrida Michx. [ Oenothera fruticosa var. ambigua Nutt.]
no HD illustration available (m1)
Oenothera hybrida Michx. [ Oenothera fruticosa L.] [Onagraceae]
W. Curtis, Bot. Mag., vol. 64 [ser. 2, vol. 11]: t. 3545 (1837) [W.H. Fitch]