1) Barberry shrub 2) Genus mahonia 3) Magnoliid dicot genus 4) Shrub of the barberry family 
Mahonia is a genus of about 70 species of evergreen shrubs in the family Berberidaceae, native to eastern Asia, the Himalaya, North America and Central America. They are closely related to the genus Berberis. Botanists disagree on the acceptability of the genus name Mahonia. Several authorities argue plants in this genus should be included in the ...
• (n.) The Oregon grape, a species of barberry (Berberis Aquifolium), often cultivated for its hollylike foliage.
Ma·ho'ni·a noun [ Named after Bernard Mc Mahon .] (Botany) The Oregon grape, a species of barberry ( Berberis Aquifolium ), often cultivated for its hollylike foliage. 
[n] - evergreen shrubs and small trees of North and Central America and Asia
genus Mahonia noun evergreen shrubs and small trees of North and Central America and Asia