Bartonia virginica bartonia; yellow screwstem Gentianaceae BAVI; R, h;

   

Bartonia virginica.gobotany.newenglandwild.org

Bartonia virginica.Anthony Reznicek.New England Wild Flower Society.gobotany.newenglandwild.org (Accessed 5/2014).

Bartonia virginica is an annual to biennial herb, roots are associated with and the plant is dependent upon a fungus (mycotrophic); stem slender, to 40 cm tall, unbranched below inflorescence. 

Bartonia virginica stem and leaves. By Arthur Haines. Copyright © 2017.New England Wild Flower Society. gobotany.newenglandwild.org

Bartonia virginica stem and leaves. By Arthur Haines. Copyright © 2017.New England Wild Flower Society. gobotany.newenglandwild.org (Accessed 10/2017).

Leaves reduced to opposite scales, yellow-green. 

Flowers yellowish, bell-shaped, radially symmetrical, to 0.4 cm, petals fused at base, lobes 4, narrow, margin usually toothed. 

Fruit dry, capsule cylindrical, seeds minute, numerous. 

Wetland status: FACW. 

Bartonia virginica.flowers. David G. Smith. discoverlife.org

Bartonia virginica.flowers. David G. Smith. discoverlife.org (10/2017).

Frequency in NYC: Very infrequent. 

Origin: Native. 

Habitat: Sphagnum bogs, wet meadows in acid soil.