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Chapman's Redtop

Tridens flavus var. chapmanii

In the Carolinas and Georgia, found in sandhills; forests and woodlands; prairies and grasslands; roadsides, fields and disturbed ground; maritime forests and thickets; Coastal dunes and beaches. Weakley, Flora of the Southeastern United States (2025), Carolinas & Georgia edition What its natural habitat tells you

31
Good

Native to Louisiana (estimated). How scores work Is it native here?

Profile 88%

Height
Up to about 6 feet
Light
Partial shade, Full sun
Soil moisture
Dry to moist
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
August to October

Not yet recorded · Spread · Leaves

Recorded in 12 Louisiana parishes.

Natural habitats

Places it grows wild. Not a planting requirement. Each habitat page lists the plants and wildlife also found there.

1 of 6

Sandhills

Dry, deep-sand ridges with longleaf pine and turkey oak, kept open by fire.

Forests and woodlands

Forest or woodland where the source does not say how moist or dry.

Prairies and grasslands

Open, grass-dominated places kept open by fire, grazing or thin soil, from tallgrass prairie to Piedmont prairies.

Roadsides, fields and disturbed ground

Ground opened by people: roadsides, old fields, pastures, fencerows and lots.

Maritime forests and thickets

Salt-pruned forests and shrub thickets behind coastal dunes.

Coastal dunes and beaches

Open sand of beaches, dunes and the hollows between them.

All habitats

Ecological relationships

Who uses this plant?

What these records mean

9CaterpillarsGenus host records with ranges including LA

Genus host records with ranges including LA · Tridens

  • Cercyonis pegalaCommon Wood Nymph
  • Dargida diffusaWheat Head Armywotm Moth
  • Heliocheilus lupatusLupatus Straw Moth, Purple-Top Sun Moth
  • Heliocheilus paradoxusParadoxical Grass Moth
  • Hesperia leonardusLeonard's Skipper, Blazing Star Skipper, Pawnee Prairie Skipper, Pawnee Montane Skipper
  • Lerema acciusClouded Skipper, Corn Leaf tier
  • Limochores origenesCrossline Skipper
  • Lon zabulonZabulon Skipper
  • Vernia vernaLittle Glassywing
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
0BeesSoutheastern regional records
0Specialist beesPollen specialists
—BirdsRecorded genus food-resource interactions; not a state feeding claim

No records yet · Ants · Beetles · Flies · Adult butterflies / moths · Other wasps · Other insects

Growing and identification

Plant details

Family
Poaceae
Flower color
Green, purple or brown

Safety has not been reviewed for this plant; check toxicity and thorns before planting.

Growing sources and scope
Also known as

Chapmans Purpletop; Chapmans Tridens; Tridens flavus var. chapmanii

Conservation status

Louisiana rankSNR
Global rankG5T3 [G3]
LA statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources