I bought this from a local nursery as Allium maximowiczii alba. It seems like a dead ringer for what Mark identified as Allium maximowiczii ssp. shibutsiense 'Alba' on the PBS site: http://www.pacificbulbsociety.org/pbswiki/index.php/Chives 104.66 KB 45.54 KB 45.35 KB 39.20 KB