English plurals. English nouns are inflected for grammatical number, meaning that if they are of the countable type, they generally have different forms for singular and plural.
Growing Daylilies. We'd describe the Daylily as the backbone of the perennial garden except that would do a disservice to this most durable plant -- backbones, as every gardener knows, are fragile things, whereas Daylilies are close to indestructible.
Call lily colors. Calla lilies are commonly white, but they also come in a variety of colors, including yellow, pink, green, purple, orange and black. The colored varieties are called mini calla lilies, and each carries a different meaning.