Nemesia denticulata (USA) ?

Nemesia denticulata (Benth.) A.L.Grant ex Fourc., Mem. Bot. Surv. South Africa 20: 73 (1941) ?

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Scrophulariaceae Fortnight : 13082013 ARK-10 : Nemesia caerulea from Chicago, USA – May 2013 : Attachments (3). 2 posts by 2 authors.

Attached are pictures of what I found on googling to be Nemesia caerulea captured in Chicago, USA in May 2013.
Could you please confirm the ID?

Nemesia denticulata (Benth.) A.L.Grant ex Fourc. ??

References:
https://www.inaturalist.org/taxa/569476-Nemesia-denticulata
https://en.wikipedia.org/wiki/Nemesia_denticulata

https://www.rhs.org.uk/plants/11452/nemesia-denticulata/details

Both, N. caerulea and N. denticulata look possible, difficult to conclude.

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References:
https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:806274-1
https://www.inaturalist.org/taxa/569476-Nemesia-denticulata
https://en.wikipedia.org/wiki/Nemesia_denticulata

https://www.rhs.org.uk/plants/11452/nemesia-denticulata/details

Updated on September 4, 2026