Which plant is referred to as Heller Japanese Holly?

The plant known as Heller Japanese Holly is specifically identified as Ilex crenata 'Helleri'. This cultivar of Ilex crenata, commonly referred to as Japanese Holly, is appreciated for its dense growth habit and small, glossy leaves, making it an excellent choice for low hedges or as a foundation plant in landscaping.

Ilex crenata 'Helleri' is distinct from other cultivars and species due to its compact form and the particular features of its foliage and overall growth. In contrast, the other options listed, such as Ilex crenata 'Convexa', Lonicera nitida, and Mahonia aquifolium, represent different species or cultivars that do not share the same characteristics and are not commonly referred to as Heller Japanese Holly.

Understanding plant nomenclature, including the significance of specific cultivars, is crucial for horticulturists as it aids in accurately identifying plants for landscaping and gardening purposes.