Amsonia is named in honor of the American physician John Amson. Members of the genus are commonly known as bluestars. ... Found on http://en.wikipedia.org/wiki/Amsonia
(from the article `Apocynaceae`) ...species of the genera Trachelospermum (especially star jasmine, T. jasminoides), Mandevilla, and Allamanda are attractive woody vines. Dogbane ... Found on http://www.britannica.com/eb/a-z/a/65