| Home | > | List of families | > | Asteraceae | > | Bidens | > | pilosa |
Bidens pilosa
Selected images: Click on each image to see a larger version and details of the record View all images (22)
Photo: Bart Wursten
Ndundu Lodge, Vumba
Photo: Bart Wursten
Ndundu Lodge, Vumba
Photo: Bart Wursten
Ndundu Lodge, Vumba
Photo: Bart Wursten
Marydale Point Lake Chivero Recreational Park
Photo: Bart Wursten
Near Chalet 2, Chirinda Forest
Detailed records: Display species records QDS maps by: Google Maps Point records by Google Maps
Species details: Click on each item to see an explanation of that item (Note: opens a new window)
| Synonyms: | |
| Common names: | Black-jack (English) |
| Frequency: | |
| Status: | |
| Description: |
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. |
| Notes: | |
| Derivation of specific name: | pilosa: pilose, with long soft hairs |
| Habitat: | |
| Flowering time: | Sep - May |
| Worldwide distribution: | Probably originally South American, but very widely naturalised throughout the tropics and subtropics. |
| Growth form(s): | |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | Gracilodes caffra (Larval foodplant) |
| Spot characters: | Display spot characters for this species |
| Literature: |
Baumann, G. (2005). Photographic Guide to Wildflowers of Malawi Wildlife and Environmental Society of Malawi Pages 164 - 165. (Includes a picture). Beentje, H.J. & Ghazanfar, S.A. (eds.) (2005). Compositae (Part 3) Flora of Tropical East Africa Pages 806 - 807. Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 84. Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 9. Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 6. Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 146. Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 205. (Includes a picture). Kirby, G. (2013). Wild Flowers of Southeast Botswana Struik Nature, Cape Town South Africa Page 132. (Includes a picture). Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 23. Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 28. Pickering, H. & Roe, E. (2009). Wild Flowers of the Victoria Falls Area Helen Pickering, London Page 33. (Includes a picture). Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 31. Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 51. Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 198. Wild, H. (1955). Common Rhodesian Weeds Government of Rhodesia, Salisbury Page 64. (Includes a picture). Wild, H. (1967). The Compositae of the Flora Zambesiaca area. 1. Heliantheae. Kirkia 6(1) Pages 24 - 25. Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 88. |
Other sources of information about Bidens pilosa:
Our websites:
Flora of Botswana: Bidens pilosaFlora of Burundi: Bidens pilosa
Flora of the DRC: Bidens pilosa
Flora of Malawi: Bidens pilosa
Flora of Mozambique: Bidens pilosa
Flora of Rwanda: Bidens pilosa
Flora of Zambia: Bidens pilosa
Flora of Zimbabwe: Bidens pilosa
External websites:
African Plants: A Photo Guide (Senckenberg): Bidens pilosaAfrican Plant Database: Bidens pilosa
BHL (Biodiversity Heritage Library): Bidens pilosa
EOL (Encyclopedia of Life): Bidens pilosa
GBIF (Global Biodiversity Information Facility): Bidens pilosa
Google: Web - Images - Scholar
iNaturalist: Bidens pilosa
IPNI (International Plant Names Index): Bidens pilosa
JSTOR Plant Science: Bidens pilosa
Mansfeld World Database of Agricultural and Horticultural Crops: Bidens pilosa
Plants of the World Online: Bidens pilosa
Tropicos: Bidens pilosa
Wikipedia: Bidens pilosa
| Home | > | List of families | > | Asteraceae | > | Bidens | > | pilosa |