Aug. 16, 2022

Berlandier's sundrops, Oenothera capillifolia

Until right now I was happy calling this Oenothera berlandieri. Then I looked it up in Flora of North America and it wasn't there. I knew that many botanists split Oenothera into four genera, and for them this was Calylophus berlandieri. But recent studies support lumping things together in Oenothera. Many assumed this species becomes O. berlandieri when it's lumped. But in FNA, Warren Wagner reveals that the name O. capillifolia has precedence. Whatever the label, Berlandier's sundrops grow in CO, KS, LA, NM, OK, and TX. Travis Co TX, 4/17/22. Willowherb family, Onagraceae.