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Texas screwstem
Scientific Name: Bartonia texana
Family: Gentianaceae
Category: Dicot
Growth: Forb/herb
Duration: Annual
Other Names:
Texas Screwstem (Bartonia texana)
Bartonia texana, commonly known as Texas screwstem, is a dicot belonging to the Gentianaceae family.
Taxonomy and Nomenclature
- Scientific Name: Bartonia texana Correll
- Common Name: Texas screwstem
- Kingdom: Plantae (plants)
- Family: Gentianaceae
- Synonym: Bartonia paniculata ssp. texana K. Mathews, Dunne, E. York
Distribution and Habitat
- Texas screwstem is found in the USA, specifically in Texas (TX).
- Within Texas, it's found in East Texas, including Angelina, Jasper, Newton, Sabine, and Shelby counties.
- It typically grows in sandy soils in dry mesic pine or mixed pine-oak forests and baygall ecotones.
- Endemic to Texas, found in the Arlington, Josephine, TX (Zone 8a) area.
Morphological Characteristics and Growth Habits
- Texas screwstem is a forb/herb, a non-woody plant that is not a grass.
- It is an annual plant.
Quirky Facts
- Texas screwstem is associated with other Texas-related species, such as the Texas emerald dragonfly.
Further Information
- USDA, NRCS (Natural Resources Conservation Service) provides distribution maps.
- BISON Web Link: http://bison.usgs.ornl.gov/api/scientificName/Bartonia%20texana
- ITIS Web Link is also available.
- Discover Life has a page about the biology, natural history, ecology, identification and distribution of Texas screwstem.