Oenothera caespitosa subsp. macroglottis (Rydb.) W.L.Wagner, Stockh. & W.M.Klein  
Family: Onagraceae
[Oenothera caespitosa var. macroglottis (Rydb.) Cronquist]
Oenothera caespitosa subsp. macroglottis image
Description Not Yet Available