Dr. Kassab Holly
Ilex x ‘Dr. Kassab’ is a cross between I. crenata and I. pernyi, the latter being used for several different crosses in the holly world. It has a pyramidal structure with bright red berries persisting into the winter. The branch structure is slightly horizontal, giving it some added interest in the landscape.
Dirr, Michael. Manual of Woody Landscape Plants: Their Identification, Ornamental Characteristics, Culture, Propagation and Uses. 6th ed., rev ed., Stipes Pub, 2009.