Malus sieversii modern apple cultivars. Unlike domesticated varieties its leaves go red in autumn: 62.2% of the trees in the wild do this compared to only 2.8% of the regular apple plant or the 2,170 English cultivated varieties. The species is now considered vulnerable to extinction. "Malus sieversii" has previously been identified as the main contributor to the genome of the cultivated apple ("Malus pumila"), on the basis of morphological, molecular, and historical evidence. A DNA analysis in 2010 confirmed "M. sieversii" as the progenitor of the cultivated apple. A third species that has been thought to have made contributions to the
The Fruit Hunters The Fruit Hunters The Fruit Hunters is a 2012 feature documentary film about exotic fruit cultivators and preservationists. It is directed by Yung Chang and co-written by Chang and Mark Slutsky, and inspired by Adam Leith Gollner’s 2008 book of the same name. In addition to documentary sequences, the film also uses CGI animation, models and performers to stage real and imagined moments in the history of fruit. Subjects in the film include actor Bill Pullman, who was not featured in Gollner's book. The filmmakers became aware of his interest in fruit thanks to a 2009 "New York Times" profile.