Twining Screwstem Bartonia paniculata (Michaux) Muhlenberg subsp. paniculataS3 (Watch list)    Synonyms: Bartonia lanceolata.
Kingdom Plantae   >   Division Tracheophyta   >   Class Magnoliopsida   >   Order Gentianales   >   Family Gentianaceae   >   Genus Bartonia   


Twining Screwstem is only found in high quality peaty swamps.


Alternate leaves easily separates Twining Screwstem from the similar Virginia Screwstem.

There are 15 records in the project database.

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Twining Screwstem in St. Mary's Co., Maryland (8/21/2013). Photo by Jim Stasz. (MBP list)

Twining Screwstem in Jackson Co., Wisconsin (8/21/2011). In Maryland Twining Screwstem in on the state watch list (S3). Photo by Corey Raimond. (MBP list)

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