Obolaria virginica (Virginia Pennywort)

It’s not only orchids that I have had the pleasure getting to know during the past few years. Having new botanically-minded friends, I have been able to find and get to know a number of other interesting and sometimes quite rare plants found in other families. Obolaria virginica, known as Virginia pennywort or pennywort gentian, is indeed in the Gentianaceae family (gentians). It is ranked as S2 (imperiled) in Missouri, likely due to the small number of populations found here. This plant emerges very early and is much like a typical spring ephemeral. Like the coralroot orchids (Corallorhiza sp.), this plant is mycoheterotrophic, getting at least some of its nutrients by parasitizing microrrhizal fungi.

The diminutive Obolaria virginica (Virginia Pennywort) has been reported from only three Missouri counties in the southeastern portion of the state.

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