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Helichrysum argyrosphaerum
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Photo: Orty Bourquin
Modisa Wildlife Project,Grassland Game Farm, Ghanzi district.
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| Synonyms: | |
| Common names: | Rosebud everlasting (English) Silverheads (English) |
| Frequency: | |
| Status: | Native |
| Description: |
Low annual herb with a long taproot and radiating prostrate branches, up to 25 cm long. Leaves spathulate to oblanceolate, up to c. 2.5 cm long, thinly grey-woolly on both sides. Capitula solitary at the end of branches. Involucral bracts c. 9-seriate, up to 7 mm long, silvery white, turning pink at the centre. Florets yellow, often pink-tipped, turning brown with age. |
| Notes: | |
| Derivation of specific name: | argyrosphaerum: with a silver sphere; referring to the white rings of involucral bracts. |
| Habitat: | Widespread in sandy areas in open woodland and grassland, often in disturbed soil or as a weed of cultivation. |
| Flowering time: | Jun - Feb |
| Worldwide distribution: | Angola, Botswana, Namibia, Malawi, Mozambique, Zambia, Zimbabwe, Lesotho and Northern Province, Freestate, KwaZulu-Natal and Northern Cape, South Africa. |
| Botswana distribution: | N,SW,SE |
| Growth form(s): | |
| Endemic status: | |
| Red data list status: | |
| Insects associated with this species: | |
| Spot characters: | Display spot characters for this species |
| Content last updated: | Saturday 6 February 2016 |
| Literature: |
Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 215. (Includes a picture). Hilliard, O.M. (1983). Asteraceae, Inuleae, Gnaphaliinae Flora of Southern Africa 33-7-2 Pages 170 - 173. (Includes a picture). Kirby, G. (2013). Wild Flowers of Southeast Botswana Struik Nature, Cape Town South Africa Page 255. (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 25. Pickering, H. & Roe, E. (2009). Wild Flowers of the Victoria Falls Area Helen Pickering, London Page 38. (Includes a picture). Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 34. 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 199. |
Other sources of information about Helichrysum argyrosphaerum:
Our websites:
Flora of Caprivi: Helichrysum argyrosphaerumFlora of Mozambique: Helichrysum argyrosphaerum
Flora of Zambia: Helichrysum argyrosphaerum
Flora of Zimbabwe: Helichrysum argyrosphaerum
External websites:
African Plants: A Photo Guide (Senckenberg): Helichrysum argyrosphaerumAfrican Plant Database: Helichrysum argyrosphaerum
BHL (Biodiversity Heritage Library): Helichrysum argyrosphaerum
EOL (Encyclopedia of Life): Helichrysum argyrosphaerum
GBIF (Global Biodiversity Information Facility): Helichrysum argyrosphaerum
Google: Web - Images - Scholar
iNaturalist: Helichrysum argyrosphaerum
IPNI (International Plant Names Index): Helichrysum argyrosphaerum
JSTOR Plant Science: Helichrysum argyrosphaerum
Mansfeld World Database of Agricultural and Horticultural Crops: Helichrysum argyrosphaerum
Plants of the World Online: Helichrysum argyrosphaerum
Tropicos: Helichrysum argyrosphaerum
Wikipedia: Helichrysum argyrosphaerum
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