pach·y·san·dra 
(păk′ĭ-săndrə)
(păk′ĭ-săndrə)n.
Any of several evergreen creeping plants of the genus Pachysandra of East Asia and the southeast United States, especially Japanese spurge, often planted as a ground cover.
[New Latin Pachysandra, genus name : Greek pakhus, thick + New Latin -andrus, -androus (after its thick stamens).]