The catkin appears to be an example of convergent evolution; this reproductive mechanism evolved at least twice, once for the order Fagales (oaks, hazel, alder) and again for Salicaceae (willow, cottonwood).
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Iris tenax ssp. klamathensis is an example of an endemic plant. Endemism is when an organism has a restricted range, found in only one region and not outside of that location. The Klamath Siskiyou biogregion is home to many endemic species because of its unique geography. And to me, the Orleans Iris is the flower shaped shining star that reminds me how special this place we live really is.
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