Rubiaceae
Slender false buttonweed
Spermacoce tenuior
- Family
- Rubiaceae
- Genus
- Spermacoce
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Common names
By language (2)
- Chinese
- 纤细丰花草
- English
- Slender false buttonweed, River false buttonweed
Synonyms
- Bigelovia linifolia (Vahl) Spreng.
- Borreria capitellata (Willd.) Cham. & Schltdl.
- Borreria herbert-smithii Rusby
- Borreria laevis (Lam.) Griseb.
- Borreria linifolia (Vahl) F.Dietr.
- Spermacoce capitellata Willd.
- Spermacoce guianensis Bremek.
- Spermacoce laevis Lam.
- Spermacoce linifolia Vahl
- Spermacoce tenuior var. angustifolia Eggers
- Spermacoce tenuior var. major Beurl.
- Spermacoceodes tenuior (L.) Kuntze
- Tardavel laevis (Lam.) Standl.
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Annual, Perennial
- In the US and Canada
- Lower 48 states: native, Puerto Rico: native, U.S. Virgin Islands: native
Photos
Photo: Liliana Ramírez-Freire, CC BY 4.0, from Wikimedia Commons 
Photo: Liliana Ramírez-Freire, CC BY 4.0, from Wikimedia Commons 
Photo: José Belem Hernández Díaz, CC BY 4.0, from Wikimedia Commons
More in Spermacoce
- Winged false buttonweedSpermacoce alataRubiaceae
- Shrubby false buttonweedSpermacoce verticillataRubiaceae
- Prostrate false buttonweedSpermacoce ocymoidesRubiaceae
- Prostrate false buttonweedSpermacoce prostrataRubiaceae
- Spermacoce remotaRubiaceae
- MadanaghantiSpermacoce articularisRubiaceae
- Oval-leaf false buttonweedSpermacoce latifoliaRubiaceae
- Smooth false buttonweedSpermacoce glabraRubiaceae
- Spermacoce hispidaRubiaceae
- Broadleaf false buttonweedSpermacoce ovalifoliaRubiaceae
- Spermacoce stachydeaRubiaceae
- Spermacoce brachysepalaRubiaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.