What are some six-letter flowers?

17 of the 197 flowers in Icillion have exactly 6 letters, for example Orchid, Violet and Azalea.

Which six-letter flowers start with C?

C is the most common first letter here, with 5 names, such as Cleome, Clivia, Clover, Cosmos and Crocus.

Nature · lists

These are the six-letter flowers in Icillion: 17 names, from “Allium” to “Zinnia”.

17 of the 197 flowers have exactly 6 letters (9%).
Most start with C (5), A (2) and D (1).
Only names of one word are counted, and only their letters: spaces, hyphens and apostrophes are not.

What are some six-letter flowers?: 17 of the 197 flowers in Icillion have exactly 6 letters, for example Orchid, Violet and Azalea.
Which six-letter flowers start with C?: C is the most common first letter here, with 5 names, such as Cleome, Clivia, Clover, Cosmos and Crocus.

How deep does your knowledge go?

Seven prompts a day, twenty seconds each. Obvious answers float on the tip of the iceberg; rare ones sink all the way to the trench.