Re: Iris versicolor (#6 of 7)

At 05:44 PM 5/28/2004, you wrote:
I would make a good sized bet that none of these, with the possible exception of the first one, is Iris versicolor, but are Iris virginica shrevei. It is very hard to tell them apart in bloom but the seed pods are different, and versicolor is apt to have more branches. I'm not sure offhand about the size of the seed pods but I think versi's are shorter. While versicolor grows in the northern part of Minnesota, the variety that grows here is shrevei. The blotch on the falls of virginica is yellow and versi's is white marked greenish yellow. Also shrevei is the species commonest in the Mississippi and Missouri river valleys. I'll try to find a good reference another day.     Joan Cooper


I have to admit, I suspected something was wrong when I saw the orange signal... but I figured the botanists that had collected it originally would have got it right.  Now I'm not so sure!  I will keep an eye on them as they develop (seed pods) and should be able to know then.  I did check for branching while I was there, and noted that most of them had one good branch.  I don't know if that's enough info to mean anything, though.

Dennis in Cincinnati
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