Polygala × dalmaisiana Neumann, Rev. Hort. (Paris), ser. 2, 3: 193 (1844) ;
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Polygala x dalmasiana from California-GS06032023-1: 5 very high res. images.
Polygala x dalmasiana photographed from Fremont, California, USA
Yes, appears close as per images at
https://en.wikipedia.org/wiki/Polygala_%C3%97_dalmaisiana
https://www.rhs.org.uk/plants/56000/polygala-x-dalmaisiana/details
https://www.australianplantsonline.polygala-dalmaisiana.html
.
References:
POWO
https://en.wikipedia.org/wiki/Polygala_%C3%97_dalmaisiana
https://www.rhs.org.uk/polygala-x-dalmaisiana/details
https://www.australianplantsonline.sweet-pea-shrub.html