Mahonia Nutt.
Glabrous evergreen shrubs, occasionally tree-like; wood yellow. Lvs never modified to form spines, imparipinnate, rarely 3-foliolate; leaflets usually with spiny margins. Fls usually numerous in racemes and panicles arising fasciculately from the axils of bud scales. Perianth yellow; segments 15, sometimes the outer 3 bract-like. Stamens 6. Ovary with few ovules; style 0 or short. Berry black, usually with glaucous bloom.
Key
c. 100 spp., temperate and subtropical E. and S.E. Asia, N. and C. America. Naturalised spp. 2.
