White Screwstem
Bartonia verna
Found in wet pine savannas, shores of Coastal Plain depression ponds, interdune swales, other moist sands. Weakley, Flora of the Southeastern United States (2025), South Central edition What its natural habitat tells you
Native to Mississippi. How scores work Is it native here?
Profile 65%
- Height
- Up to about 8 inches
- Light
- Partial shade, Full sun
- Soil moisture
- Moist to wet

At a glance
- Life cycle
- Annual
- Fruiting season
- April to June
Not yet recorded · Spread · Leaves · Bloom
Bloom: NC species account not read yet.
Spread and leaves: no source found yet.
This plant is missing most of its facts, so Quercus is looking them up in old botany books.
Recorded in 4 Mississippi counties.
Natural habitats
Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.
Open, fire-kept longleaf pine stands over grasses and wildflowers on wet to moist sandy soil.
Depression ponds and limesinks
Shallow ponds in Coastal Plain depressions, such as limesinks and the ponds in some Carolina bays, that rise and fall with the seasons.
Open sand of beaches, dunes and the hollows between them.
Who uses this plant?
No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects
Plant details
- Family
- Gentianaceae
- Flower color
- White
- Fruit begins
- April
- Fruit ends
- June
Safety has not been reviewed for this plant; check toxicity and thorns before planting.
Growing sources and scope
- Flower color · “White” · Lady Bird Johnson Wildflower Center
- Fruit begins · “April” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Fruit ends · “June” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- Height · “Up to about 8 inches” · Lady Bird Johnson Wildflower Center
- Life cycle · “Annual” · Lady Bird Johnson Wildflower Center
- Light · “Partial shade; Full sun (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
- primary_flower_color · “white” · Lady Bird Johnson Wildflower Center
- Soil · “Moist; Wet (documented habitat)” · Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition · Carolinas and Georgia
Conservation status
| Mississippi rank | S3S4 |
|---|---|
| Global rank | G5? |
| MS status | Not verified |
| Federal status | Not verified |
Will it fit your yard?
Check this plant against your county, sun and soil moisture. Conditions are checked in your browser.
Sources
- NatureServe Explorer
- USDA PLANTS
- Vascular Plants of North Carolina (NC Natural Heritage Program)
- Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition
- Mississippi occurrence source
- Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
- Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
- Smith, Bachelder, Russell, Morales, Mosher & Seltmann 2024, Bee-Specialization-Modeling v0.6.1 (specialist host table compiled from J. Fowler's pollen specialist bee lists), Zenodo, CC BY 4.0
- Hurlbert, Olsen, Sawyer & Winner 2021, Avian Diet Database, Scientific Data 8: 260 (CC0)
- Narango, Tallamy & Shropshire 2020, Few keystone plant genera support the majority of Lepidoptera species, Nature Communications

