Oenothera drummondii References Oenothera drummondii plant Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: nectarAt least one plant species, Oenothera drummondii, can increase the sugar content of its nectar within three minutes of the flower being vibrated by buzzing bees. Read MoreAt least one plant species, Oenothera drummondii, can increase the sugar content of its nectar within three minutes of the flower being vibrated by buzzing bees. Read More