where she eventually drove it to wyoming the next summer (for us to pick up when/where our scattered family has its annual get-together), so we could finally put it in the van and drive it back to Canada for fortunately-not-yet-at-least-until-tonight emergency use... - Fits! Huzzah

and a replacement turned out to be impossible to find locally (in Alberta or apparently anywhere in Canada) despite being the same as for a standard Camry, having the new spare shipped to my mom's in California (because the seller wouldn't ship across the border),