As classified in WFO snapshot
June 2024
Warning: older classification
form
Oenothera trichocalyx f. refracta
H.Lév.
This form name was first published in Bull. Acad. Int. Géogr. Bot. sér. 3, 19(241-242): 306. 1910 [1909 publ. Jan 2010]
This form name has been reclassified since this snapshot. Its current preferred usage is a synonym .