Polymorphism for the presence of the rpl2 intron in chloroplast genomes of Bauhinia (Leguminosae). - Lai, ,M.,.; Sceppa, ,J.,.; Ballenger, ,J..A.,.; Doyle, ,J..L.,.; Doyle, ,J..J.,.; and Wunderlin, ,R.. (Syst. Bot., 1997)