In certain Latin American countries " Mammea americana " is referred to as " yellow mamey " ( ) in order to distinguish it from the unrelated but similar looking " Pouteria sapota ", whose fruit is usually called " red mamey " ( or " Mamey rojo " ).
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The family name is derived from " zapote ", a Mexican vernacular name for one of the plants ( in turn derived from the Nahuatl " tzapotl " ) and Latinised by Linnaeus as " sapota ", a name now treated as a synonym of " Manilkara " ( also formerly known by the invalid name " Achras " ).
