and no smell! What a nice surprise greeted me 2 mornings ago! I guessed that the flower would be 10" to 12" across and
when it did finally open (during the day) it was, indeed 12" across. It does not smell bad. In fact two noses have deemed it having no smell at all. This appears to be normal for the Stapelia grandiflora, which is what I think this one is.
Thanks again Leslie, my Darling Daughter, for sharing your plant with me!