Paspalum dilatatum Poir.

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Common names: Dallis grass (English)
Status: Introduced
Tufted, usually geniculate, perennial. Culms 40-120 cm high. Racemes usually 3-5, each raceme 4-11 cm long. Spikelets 2.8-4 mm long, ovate, yellowish-green, paired in 2-4 rows along the rhachis. Upper glume sparsely pilose on the upper surface, ciliate on the margins; upper lemma pallid at maturity.
Derivation of specific name: dilatatum: widened, dilated
Habitat: Common on roadside verges, as a weed in lawns and flower beds, sometimes in wet habitats, such as marshes and ditches.
Altitude range: (metres) 900 - 1600 m
Flowering time:
Worldwide distribution: Native to South America, widely introduced as a forage grass elsewhere in the tropics, but often becoming a serious weed
Zimbabwe distribution: 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

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 42.

Clayton, W.D. (1989). Poaceae Flora Zambesiaca 10(3) Page 88.

Jackson, G. & Wiehe, P.O. (1958). An Annotated Check List of Nyasaland Grasses The Government Printer, Zomba, Nyasaland Page 69.

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 108.

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 142.

Other sources of information about Paspalum dilatatum:

Our websites:

Flora of Botswana: Paspalum dilatatum
Flora of Zambia: Paspalum dilatatum

External websites:

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

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: Paspalum dilatatum., retrieved 25 May 2024

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