The Mary Nell holly (Ilex cv. Mary Nell) belongs to Aquifoliaceae (the Holly family). It is a small evergreen tree that is a cultivar created by interspecific crossing. It is a hybrid of "Chinese holly", "Pelni Hiiragi (Perny holly)", "Luster-leaf holly", etc. The crossing formula is (Ilex cornuta cv. Burfordii x Ilex pernyi cv. Red Delight) ) x Ilex latifolia. The height is 3 to 4.5 m, the leaves are ovate, with fine wavy serrations on the edges and pointed tips.