Home | > | List of families | > | Asteraceae | > | Helichrysum | > | argyrosphaerum |
Synonyms: | |
Common names: | Rosebud everlasting (English) Silverheads (English) |
Frequency: | Frequent |
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. |
Altitude range: (metres) | Up to 1660 m |
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. |
Zimbabwe distribution: | N,W,C,E,S |
Growth form(s): | |
Endemic status: | |
Red data list status: | |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Images last updated: | Saturday 29 May 2010 |
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. |
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