Groundnut Apios americana Medicus    Synonyms: Apios apios, Glycine apios.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Fabales   >   Family Fabaceae   >   Genus 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 269 records in the project database.

View at Maryland Plant Atlas

Search Flora of North America

Search Mid-Atlantic Herbaria Consortium

Search Norton-Brown Herbarium

View taxon at iNaturalist

View taxon at NatureServe

Search Google Images

Search MBP Facebook posts (beta | requires login)


[View seasonality details]
GA AL WA FR CL MO HO BA BC HA CE PG AA CV CH SM KE QA CN TA DO WI SO WO 
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 Kent Co., Maryland (8/12/2019). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (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)

Groundnut in Dorchester Co., Maryland (8/9/2021). (c) Wayne Longbottom, some rights reserved (CC BY-NC). Photo by Wayne Longbottom. (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 (8/13/2020). (c) Matthew Beziat, some rights reserved (CC BY-NC). Photo by Matthew Beziat. (MBP list)

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


View All Images

Use of images featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.

View Bibliography