Question
 I traveled in Mexico and saw some wild yellow flowers on bushes.  The guide said they are "yellow silk shell"
Have you ever heard of that?  I live in Arizona and would like to grow these.

                Thanks    Dick

Answer
Hi Dick,
Thanx for your question.  Copy the link below and let me know if this is what you are talking about.
thx,
Tom

http://images.google.com/imgres?imgurl=http://toptropicals.com/pics/garden/05/Do...