Rubiaceae
Baldhead false buttonweed
Spermacoce capitata
- Family
- Rubiaceae
- Genus
- Spermacoce
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Common names
By language (1)
- English
- Baldhead false buttonweed
Synonyms
- Bigelovia cornifolia Heynh.
- Bigelovia distans Hook. & Arn.
- Borreria aturensis (Kunth) DC.
- Borreria capitata (Ruiz & Pav.) DC.
- Borreria capitata f. capitata
- Borreria capitata f. ferruginea (A.St.-Hil.) Steyerm.
- Borreria capitata f. glabra Steyerm.
- Borreria capitata subsp. restingicola E.L.Cabral & Bacigalupo
- Borreria coriacea Scheele
- Borreria cornifolia (Fisch. ex Nees) DC.
- Borreria distans DC.
- Borreria elongata DC.
- Borreria ferruginea (A.St.-Hil.) DC.
- Borreria gracilis Scheele
- Borreria kappleriana Miq.
- Borreria lutescens DC.
- Borreria psyllioides DC.
- Borreria rubrostipulata DC.
- Borreria saturejifolia Cham. & Schltdl.
- Borreria sphaerica DC.
- Borreria strictissima DC.
- Borreria tenella var. caesia Chodat & Hassl.
- Borreria tenella var. coriacea Chodat & Hassl.
- Borreria tenella var. lavandulifolia DC.
- Borreria tenella var. macrocephala Glaz.
- Borreria tenella var. pubescens Chodat & Hassl.
- Borreria tenella var. suffruticosa Zahlbr.
- Borreria tenella var. tenera K.Schum.
- Jurgensia psylloides Raf.
- Spermacoce aculeata Willd.
- Spermacoce aturensis Kunth
- Spermacoce capitata var. ferruginea (A.St.-Hil.) Kuntze
- Spermacoce capitata var. normalis Kuntze
- Spermacoce cornifolia Fisch. ex Nees
- Spermacoce distans Kunth
- Spermacoce elongata Pohl ex DC.
- Spermacoce fasciculata Pohl ex DC.
- Spermacoce ferruginea A.St.-Hil.
- Spermacoce globosa Pohl ex DC.
- Spermacoce lavandulifolia Pohl ex DC.
and 6 more.
Flowers
- In flower
- May, December to January (from 13 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Hawaii: introduced
Photos
FlowerPhoto: Guillaume Delaitre, CC BY 4.0, from iNaturalist 
FlowerPhoto: Guillaume Delaitre, CC BY 4.0, from iNaturalist 
FlowerPhoto: Guillaume Delaitre, CC BY 4.0, from iNaturalist 
Photo: Celso Henrique Varela Rios, CC BY 4.0, from iNaturalist 
Photo: Bernard DUPONT from FRANCE, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Guillaume Delaitre, CC BY 4.0, from iNaturalist 
Photo: Guillaume Delaitre, CC BY 4.0, from iNaturalist 
Photo: Guillaume Delaitre, CC BY 4.0, from iNaturalist 
Photo: Guillaume Delaitre, CC BY 4.0, from iNaturalist 
Photo: Guillaume Delaitre, CC BY 4.0, from iNaturalist 
Photo: Guillaume Delaitre, CC BY 4.0, from iNaturalist 
Photo: Guillaume Delaitre, CC BY 4.0, from iNaturalist
More in Spermacoce
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- 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.