Alcmaria Potatoes This page first published: Apr 6, 2005 · Modified: Jun 1, 2018 · by CooksInfo. Copyright © 2020 · This post may contain affiliate links · This blog generates income via ads · Alcmaria are oblong potatoes with white skin, and yellow, waxy flesh. They are marketed as all-purpose. History Notes Alcmaria Potatoes were developed in the Netherlands. Released 1969.