Attached flower, fruit, seeds & bark seen in Progreso, Yucatan. I know I should know this one, but . . .
Calotropis procera? http://en.wikipedia.org/wiki/Calotropis_procera http://www.google.com/search?client...procera&oe=UTF-8&um=1&ie=UTF-8&hl=en&tbm=isch
Silversurfer & Daniel: Thank you. Yes, that's it - saw it in Egypt a few years ago; knew it looked familiar. thanks again.