It has recently been shown to be the primary ancestor of most cultivars of the domesticated apple ( " Malus pumila " ).
2.
Lape's propagation gave rise to a number of widely known cultivars including Rhododendron x'Esperance', Syringa vulgaris'Schoharie'( lilac ), Chaenomeles speciosa'George Landis'( quince ), and some unnamed cultivars of Malus pumila var . niedzwetzkyana ( crabapples ).