There are two forms of inkberry available in the trade.
From the stltoday.com
Most hollies are broad-leaf evergreens as are rhododendrons, mountain laurel, boxwood, inkberry and pieris.
From the timesunion.com
Most hollies are broadleaf evergreens, as are rhodo dendrons, some azaleas, mountain laurel, boxwood, inkberry and pieris.
From the kentucky.com
A dozen low-power LED landscape lights were installed inside the island, and inkberry shrubs were planted because they reflect light.
From the timesunion.com
Shrubs include butterfly bush, buttonbush, swamp mallow and St.-John's-wort with evergreens of holly, inkberry, sweetspire, Otto Lykens laurel and leatherleaf viburnum.
From the tennessean.com
More examples
Evergreen holly of eastern North America with oblong leathery leaves and small black berries