5.4. Oenothera stricta Ledeb. ex Link (1821: 377) .

Neotype (designated by Dietrich 1977: 538):— CHILE. Grown from seeds and cultivated in the Botanical Garden of Dusseldorf, Germany, 14 August 1972. Source: Chile, end of 1959, H. Nodt s.n. (MO2155718 digital image).

Distribution: —S Hengduan.