What common name is associated with Dianthus sp.?

The common name associated with Dianthus sp. is "Carnation." This name is widely recognized because the species within the Dianthus genus, particularly Dianthus caryophyllus, is cultivated for its beautiful, fragrant flowers, which are commonly used in floral arrangements and as ornamental plants in gardens. Carnations are known for their various colors and patterns, making them popular in both commercial flower production and home gardening.

In the context of Dianthus, the name "Carnation" specifically refers to the cultivated varieties that have been bred for their vibrant blooms and long-lasting qualities. The genus itself includes other species as well, but the association with Carnations is the most prominent, especially in commercial horticulture.

The other choices are distinct plants with their own unique characteristics and are not related to the Dianthus genus in any way. Tickseed refers to the genus Coreopsis, Pampas Grass is known as Cortaderia selloana, and Purple Coneflower is associated with Echinacea purpurea, further differentiating them from Dianthus sp.