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.
Iris and white lilies rose out of the grass in sheaves, and the green alcoves filled themselves with amazing armies of the blue and white flower lances of tall delphiniums or columbines or campanulas.