Calamus was named after Calamus creek, which received its name from the great quantities of sweet flag growing in it, from which the botanical name Acorus calamus, commonly called Sweet Flag or Calamus.
Acorus calamus, Vacha (Sk 'to speak') an ayurvedic medicine, mentioned in the bible
Acorus calamus | Calamus | Calamus (palm) | Calamus caryotoides | calamus |
An example is the Iris species Iris pseudacorus, by having leaves similar to those of Acorus calamus in the Acorus genus, having pseud—acorus ('false-acorus') in its botanical name.