Anthos denotes the grass’s bloom, used in comparisons of fading beauty and human passing away.

The attested use denotes the bloom of grass, portrayed as falling or passing away in comparisons of fading beauty and human transience.

1. Grass’s bloom in images of fading · dominant

   The nominative singular neuter form occurs with grass in each verse. In 1 Peter 1:24 the APB renders the clause "the flower falls" after grass withers; in James 1:10 and James 1:11 it portrays the grass’s bloom as passing away or falling as the rich man is compared with it.

   1 Peter 1:24James 1:10James 1:11

In the Anselm Project Bible: The APB presents the term as "flower" in all three verses, specifically as the flower of grass.