'William Penn' Barberry
Berberis x gladwynensis 'William Penn'
Berberidaceae (Barberry Family)
▲ shrub
▲ new twig showing long thorns and elongated, spiny-margined leaves
Location on campus: at northeast corner of Greenwood Lab School, south side of Harrison St.
Berberis x gladwynenesis ‘William Penn:’ ‘William Penn’ Barberry
· leaves evergreen, simple, alternate, lanceolate leaves with spined margins
· leaves 1-2" long and about 1/3 as wide; leaves appear in clusters at nodes, but are not whorled, are alternate
· upper leaf surfaces somewhat textured, but glabrous
· pairs of long thorns (1-1.5" long) at nodes
· height and width 3-5'
· flowers not significant
· prefers full sun, and tolerant of many soil types
· slow to medium growth rate