Bells and iron chopsticks turn green.

The flowers of iron chopsticks are pink, the petals are round and smooth, and they will turn green in May. There are yellow stamens and filaments in the petals, which usually bloom in April.

Iron chopsticks are perennial evergreen herbs of Ranunculaceae, also known as black hairy seven or primrose. The flowers of iron chopsticks are pink, the petals are round and smooth, and they will turn green in May. There are yellow stamens and filaments in the petals, which usually bloom in April. The flowering period is spring in the winter of the following year.