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Pickering's Morning Glory

Pickering's Morning Glory

Science Rocks: Helping Pickering's Morning Glory Hang On

PPA is working to help this vine grow to new heights.

September 8, 2020

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Pickering’s Morning Glory is one of the most endangered plants in the state of New Jersey.  It grows on the open and sunny sand dunes found in the Pine Barrens.  It has low, trailing vines and a delicate star-shaped white flower that blooms in early summer.  It was rare even when it was first discovered in the late 1800’s.  Pickering’s Morning Glory is primarily a southern species that reaches its northern limits in New Jersey.  The closest state with this species is North Carolina, meaning that the populations in New Jersey are “disjunct” from other Pickering’s Morning Glory populations.

Historic populations of Pickering’s Morning Glory have been damaged or wiped out from illegal off-road vehicle damage, from forest growth that shades out populations, illegal dumping and non-native species.

We have been working with the state of New Jersey and the New Jersey Conservation Foundation to bring this special plant back from the edge of extinction.  We monitor populations of this species which means we count the number of plants found in known populations and compare it year-to-year so we know if the population is stable, increasing or declining.  We did this in early August this year. This allows us to make recommendations on how best to manage the habitat for these populations and increase their success.  Habitat management is done later in August and in the winter.

Population monitoring is a foundational piece to our understanding of population trends, threats and measuring success of restoration projects.

Additionally, Duke Farms in Somerset County is helping to germinate Pickering’s Morning Glory seeds that were collected in the wild. These plants are not easy to grow in the greenhouse but the staff at Duke Farms have been working on techniques that work.  This will allow us to increase populations in the future.

For more information check out this article.

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