From an online auction. By the fabrics, which offer some clues to date--- 1840-1890. The madder red print isn't much help but you don't see that overdyed green after 1890 or so.
A four-patch with quarters that are not equal sized.
BlockBase has several of these Unequal Four Patches but not this one.
Some kind of unknown vegetation?
So just as I am wrapping up this short post I realize the block in the picture is upside down.
It's not that strange after all.
The white strip is the stem.
Not that strange, except in coloring.