dcsimg

Derivation of specific name

provided by Flora of Zimbabwe
pilosa: pilose, with long soft hairs
license
cc-by-nc
copyright
Mark Hyde, Bart Wursten and Petra Ballings
bibliographic citation
Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Bidens pilosa L. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=160650
author
Mark Hyde
author
Bart Wursten
author
Petra Ballings
original
visit source
partner site
Flora of Zimbabwe

Description

provided by Flora of Zimbabwe
Annual herb to 1.5 (-2.2) m. Leaves petiolate, (1-)3-foliolate, glabrous or pilose. Terminal leaflet up to 9 × 5 cm, narrowly ovate to ovate-oblong; base cuneate; apex acuminate; margin ciliate, crenate or serrate-crenate; lateral leaflets smaller, asymmetric. Inflorescence laxly corymbose. Capitula up to 1 cm in diameter. Rays 0 (var. pilosa) or creamy-white, 4-7 and up to 1.5 cm, exceeding (var. radiata Sch.Bip.) or not exceeding (var. minor Blume) the phyllaries. Achenes up to 1.6 cm, blackish. Bristles 2-3, retrorsely barbed.
license
cc-by-nc
copyright
Mark Hyde, Bart Wursten and Petra Ballings
bibliographic citation
Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Bidens pilosa L. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=160650
author
Mark Hyde
author
Bart Wursten
author
Petra Ballings
original
visit source
partner site
Flora of Zimbabwe

Frequency

provided by Flora of Zimbabwe
Common
license
cc-by-nc
copyright
Mark Hyde, Bart Wursten and Petra Ballings
bibliographic citation
Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Bidens pilosa L. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=160650
author
Mark Hyde
author
Bart Wursten
author
Petra Ballings
original
visit source
partner site
Flora of Zimbabwe

Worldwide distribution

provided by Flora of Zimbabwe
Probably originally South American, but very widely naturalised throughout the tropics and subtropics.
license
cc-by-nc
copyright
Mark Hyde, Bart Wursten and Petra Ballings
bibliographic citation
Hyde, M.A., Wursten, B.T. and Ballings, P. (2002-2014). Bidens pilosa L. Flora of Zimbabwe website. Accessed 28 August 2014 at http://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=160650
author
Mark Hyde
author
Bart Wursten
author
Petra Ballings
original
visit source
partner site
Flora of Zimbabwe