Groundnut Apios americana Medicus  Synonyms: Apios apios, Glycine apios.

Status:

Common throughout most of Maryland.

Description:

The distinctive brownish-purple flowers are an easily way to identify Groundnut along with the compound leaf with five to seven leaflets. Blooming occurs in late July through September.

Relationships:

Butterflies that use Groundnut as a host plant include Silver-spotted Skipper and Southern Cloudywing.

The moth Phyllonorycter aberrans makes distinct leaf mines on Groundnut (BugGuide).

There are 150 records in the project database.

View species at Maryland Plant Atlas

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Groundnut blooming in Howard Co., Maryland (8/7/2014). Photo by Richard Orr. (MBP list)

Groundnut in Dorchester Co., Maryland (8/8/2015). Photo by Jonathan Willey. (MBP list)

Groundnut in Dorchester Co., Maryland (8/11/2016). Photo by Wayne Longbottom. (MBP list)

Groundnut in Anne Arundel Co., Maryland (8/2/2013). Photo by Jim Stasz. (MBP list)

Groundnut in Kent Co., Maryland (9/13/2013). Photo by Nancy Martin. (MBP list)

Groundnut blooming in Howard Co., Maryland (8/2/2014). Photo by Jim Wilkinson. (MBP list)

Groundnut blooming in Calvert Co., Maryland (8/20/2013). Photo by Jim Stasz. (MBP list)

Groundnut in Howard Co., Maryland (8/7/2014). Photo by Nancy Magnusson. (MBP list)

Groundnut in Garrett Co., Maryland (7/25/2015). Photo by Kimberly Booth. (MBP list)

The leaves of Groundnut in Caroline Co., Maryland (6/30/2012). Photo by Jim Brighton. (MBP list)

Groundnut in Queen Anne's Co., Maryland (6/24/2017). Photo by Bill Hubick. (MBP list)

Groundnut in Cecil Co., Maryland (9/17/2016). Photo by Dan Small. (MBP list)

The leaves of Groundnut in St. Mary's Co., Maryland (5/27/2017). Photo by Jim Brighton. (MBP list)

Fruit of Groundnut in Prince George's Co., Maryland (9/23/2014). Photo by Fritz Flohr Reynolds. (MBP list)

Groundnut hosting a Phyllonorycter aberrans in Dorchester Co., Maryland (7/10/2019). Photo by Josh Emm. (MBP list)

Groundnut blooming in Howard Co., Maryland (8/23/2017). Collected and Processed by Helen Lowe Metzman. Photo by USGS PWRC. (MBP list)

Groundnut in Kent Co., Maryland (8/12/2019). Photo by Wayne Longbottom. (MBP list)

Groundnut in Howard Co., Maryland (9/26/2015). Photo by John Hall. (MBP list)

Groundnut in Anne Arundel Co., Maryland (10/29/2013). Photo by Jim Stasz. (MBP list)


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