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Smooth False-buttonweed

Spermacoce glabra

Found in moist shores, bottomlands, riverside drawdowns, rocky riversides in the mountains, disturbed areas in the Coastal Plain. Weakley, Flora of the Southeastern United States (2025), Northern Tier edition What its natural habitat tells you

37
Good

Native to West Virginia. How scores work Is it native here?

Profile 88%

Height
Up to about 2 feet
Light
Partial shade, Full sun
Soil moisture
Dry to moist
Will it fit your yard?

At a glance

Life cycle
Perennial
Bloom
May to October

Not yet recorded · Spread · Leaves

County records are not available.

Natural habitats

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

1 of 2

Floodplain and bottomland forests

Forests on low ground beside rivers and streams that flood from time to time.

Roadsides, fields and disturbed ground

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

All habitats

Also found with this plant

Wildlife whose habitat models include habitats this plant grows in, in West Virginia. Shared habitat, not food. 66 animals.

Widespread birds also seen here (41)

Found in many habitats here, so not listed above.

All wildlife of West Virginia

Ecological relationships

Who uses this plant?

What these records mean

3CaterpillarsGenus host records with ranges including WV

Genus host records with ranges including WV · Spermacoce

  • Herpetogramma bipunctalisSouthern Beet Webworm, Two-Spotted Herpetogramma
  • Spodoptera frugiperdaFall Armyworm Moth
  • Spoladea recurvalisHawaiian Beet Webworm
Shropshire & Tallamy 2025, Lepidoptera of North America north of Mexico, ZooKeys 1261 (ODbL)
25BeesSoutheastern regional records

Southeastern regional records · Spermacoce

Individual names are not available yet.

Noori, Seltmann & Orr 2026, A curated and integrated dataset for exploring global bee-plant interactions (GloBI), Zenodo, CC BY 4.0
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
Rubiaceae
Flower color
White

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

Growing sources and scope
Also known as

Smooth False Buttonweed

Conservation status

West Virginia rankSH
Global rankG4G5
WV statusNot verified
Federal statusNot verified

Conservation source Global and federal source

In your garden

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Sources