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Mission maackii: Effect of Invasive Honeysuckle on Spring Ephemeral Phenology
Althaea Adams-Van Schaik, Ripley Brenner, Rebecca Goerling, Allison Iwaszkiewicz, and Richard C. Moore
How are invasive species impacting Ohio's native wildflowers?
How are invasive species impacting Ohio's native wildflowers?
Introduction
Lonicera maackii, or Amur Honeysuckle, is an invasive grouping shrub spreading across the midwestern U.S. Its leaves emerge before those of the upper-canopy trees.
Many Ohio wildflowers are spring ephemerals, their active growth periods occurring only for a short window in spring.
Presenting data collected in spring ‘23 and ‘24, this study aims to determine the effect of L. maackii on native understory habitat and flowering ephemeral species.
Amur Honeysuckle
Lonicera maackii
Spring Beauty
Spring Beauty
Claytonia virginica
Hypothesis
We predict that the L. maackii leaf-out has a significant negative impact on understory temperature and light, creating colder conditions and indirectly causing postponed and reduced flowering in spring ephemerals.
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