Acmella radicans (Jacq.) R.K. Jansen
var. radicans
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Photo: Mark Hyde
National Botanic Garden, Harare
Photo: Mark Hyde
National Botanic Garden, Harare
Photo: Mark Hyde
National Botanic Garden, Harare
Photo: Mike Bingham
North Luangwa National Park
Photo: Mike Bingham
Lusaka SE 13km., Protea Hill Farm.
Photo: Ian Riddell
Newlands Vlei, Harare
Photo: Mark Hyde
Westminster Avenue, near junction with Suffolk Road
Photo: Mark Hyde
Westminster Avenue, near junction with Suffolk Road
Photo: Bart Wursten
Fuel Station, Rumphi.
Photo: Bart Wursten
Fuel Station, Rumphi.
Photo: Bart Wursten
Fuel Station, Rumphi.
Photo: Jan Van Bel
Ridgeview, Harare
Photo: Mark Hyde
Goodrington Drive, near junction with Glencairn Drive, Sunnridge
Photo: Mark Hyde
National Botanic Garden, Harare
Photo: Mark Hyde
East Road, by Reps Theatre
Species details: Click on each item to see an explanation of that item (Note: opens a new window)
Synonyms:
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Spilanthes radicans Jacq.
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Common names:
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White spot-flower (English)
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Frequency:
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Rare |
Status:
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Introduced and naturalised |
Description:
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Annual herb 6-30 cm tall (exceptionally to 2.8 m tall per Ian Riddell); stems erect to ascending, rarely rooting at the nodes, green to purple, glabrous to pilose. Leaves ovate to narrowly ovate, 1-8 cm long, 1-5 cm wide, base attenuate, margins denticulate to dentate, apex acute, glabrous to sparsely pilose, and with hispid margins, petiole 4-37 mm long. Capitula solitary or in groups of 2-3, long-stalked, elongate-conical, discoid, 6-11 mm long, 5-9 mm in diameter; phyllaries 6-9, 2-seriate, 4-7 mm long. Disc florets many, greenish white or white, 1.6-2 mm long. Achenes black, 2-2.7 mm long, ciliate; pappus of 2-3 unequal bristles 0.4-1.6 mm long. |
Notes:
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First recorded in Harare in the National Botanic Garden in May 2013. It has since been found in various parts of the city with increasing frequency from 2017 onwards, but so far (2022) only known in Zimbabwe from Harare and Victoria Falls. |
Derivation of specific name:
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radicans: rooting at the nodes. |
Habitat:
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in disturbed ground and areas of former cultivation, often on roadside verges. |
Altitude range: (metres) |
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Flowering time: | Fl. Apr-Jul |
Worldwide distribution:
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Native of Central and South America, becoming a widespread weed. |
Zimbabwe distribution:
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W,C |
Growth form(s):
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Endemic status:
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Red data list status:
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Insects associated with this species:
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Spot characters:
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Display spot characters for this species |
Literature:
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Beentje, H.J. & Ghazanfar, S.A. (eds.) (2005). Compositae (Part 3) Flora of Tropical East Africa Page 733.
Jansen, R.K. (1985). Acmella radicans (Jacq.) Syst. Bot. Monogr. 8 (69)
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Other sources of information about Acmella radicans var. radicans:
Our websites:
Flora of Malawi:
Acmella radicans var. radicansFlora of Zambia:
Acmella radicans var. radicansExternal websites:
African Plants: A Photo Guide (Senckenberg):
Acmella radicansBHL (Biodiversity Heritage Library):
Acmella radicansEOL (Encyclopedia of Life):
Acmella radicansGBIF (Global Biodiversity Information Facility):
Acmella radicansGoogle:
Web -
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ScholariNaturalist:
Acmella radicansIPNI (International Plant Names Index):
Acmella radicansJSTOR Plant Science:
Acmella radicansMansfeld World Database of Agricultural and Horticultural Crops:
Acmella radicansPlants of the World Online:
Acmella radicansTropicos:
Acmella radicansWikipedia:
Acmella radicans
Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24
Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M.
(2024).
Flora of Zimbabwe: Species information: Acmella radicans var. radicans. https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=212680, retrieved 25 April 2024
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