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
Ilama (fruit) Ilama (fruit) The ilama or ilama tree ("Annona diversifolia") is a tropical fruit tree found in Central America. The name is derived from the Nahuatl "ilamatzapotl", of which the rough translation is "old woman's "sapote"". The name is also applied to a similar fruit, "soncoya" or "cabeza de negro" ("Annona purpurea"). The ilama fruit is eaten halved, by scooping the flesh out of the rind, and usually chilled when served. It is sometimes served with cream and sugar to intensify the flavor, or with a drop of lime or lemon juice to highlight a tart and bitter note. The ilama