Originally Posted by kindlekitten
cumin is from the cilantro plant, and it is the powdered form. when I use coriander, I take the big seeds, put them in my pestle and just break them up. I could be all wet, frequently am
It may be an American thing that I'm not aware of, but cumin and coriander are different here in the UK.
See this site
as an example. I can't find any sites that say that cumin and coriander are the same thing (although several point out that they are similar in taste and usage).