This month's BioMystery, with its prominent flower, is certainly a member of the botanical community. However, this angiosperm is missing a central characteristic that most students likely believe all plants possess. What plant is this? What does it seem to be missing? Photo taken by W. F. McComas in the Big Thicket National Preserve, northeast of Houston, Texas. See page 434 at the back of this issue for the answer.

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