Guilleminea densa (Willd. ex Roem. & Schult.) Moq.

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Guilleminea densa

Photo: Bart Wursten
Recreational area, Cleveland Dam

Guilleminea densa

Photo: Bart Wursten
Recreational area, Cleveland Dam

Guilleminea densa

Photo: Petra Ballings
Shaneragh rd, Mandara, Harare

Guilleminea densa

Photo: Bart Wursten
Along Gnu Bend rd, Lake Kyle recreational Park.

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Synonyms: Brayulinea densa (Willd.) Small
Common names:
Frequency: Frequent
Status: Introduced
A woolly, prostrate mat-forming perennial herb. Leaves narrowly elliptic to broadly ovate; glabrous on the upper surface and with long matted white hairs on the lower surface. Inflorescences to 6 mm, dense, ovoid, whitish.
Notes: For the distinctions between this species and species of Alternanthera, see the note after Alternanthera caracasana.
Derivation of specific name: densa: dense
Habitat: On roadsides, in grassland and open woodland, usually in well-trodden disturbed places.
Altitude range: (metres) 350 - 1550 m
Flowering time:
Worldwide distribution: Native of the warmer parts of North and South America, from the southern USA to northern Argentina, and now a widespread tropical weed
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: Wednesday 3 March 2021

Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 19.

Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 338. (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 16.

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 21.

Townsend, C.C. (1988). Amaranthaceae Flora Zambesiaca 9(1) Pages 122 - 124. (Includes a picture).

Other sources of information about Guilleminea densa:

Our websites:

Flora of Botswana: Guilleminea densa
Flora of Caprivi: Guilleminea densa
Flora of Malawi: Guilleminea densa
Flora of Mozambique: Guilleminea densa
Flora of Zambia: Guilleminea densa

External websites:

African Plants: A Photo Guide (Senckenberg): Guilleminea densa
BHL (Biodiversity Heritage Library): Guilleminea densa
EOL (Encyclopedia of Life): Guilleminea densa
GBIF (Global Biodiversity Information Facility): Guilleminea densa
Google: Web - Images - Scholar
iNaturalist: Guilleminea densa
IPNI (International Plant Names Index): Guilleminea densa
JSTOR Plant Science: Guilleminea densa
Mansfeld World Database of Agricultural and Horticultural Crops: Guilleminea densa
Plants of the World Online: Guilleminea densa
Tropicos: Guilleminea densa
Wikipedia: Guilleminea densa

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-23

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2023). Flora of Zimbabwe: Species information: Guilleminea densa., retrieved 10 December 2023

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