any plant of the large taxonomically complicated American genus Oenothera, typically having yellow flowers that open in the evening: family Onagraceae
evening primrose
Word origin
C20: from Greek oinothēras, possibly from onothēras a plant whose roots smell of wine
Examples of 'oenothera' in a sentence
oenothera
Oenothera flower petals change color during senescence.
Yada Teppabut, Kin-ichi Oyama, Tadao Kondo, Kumi Yoshida 2018, 'Change of Petals′ Color and Chemical Components in Oenothera Flowers during Senescence',Moleculeshttp://www.mdpi.com/1420-3049/23/7/1698. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)