Persicaria decipiens (R. Br.) K.L. Wilson

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Persicaria decipiens

Photo: Bart Wursten
Greystone Park NR, Harare

Persicaria decipiens

Photo: Bart Wursten
Val D'Or

Persicaria decipiens

Photo: Bart Wursten
Val D'Or

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Synonyms: Persicaria salicifolia (Brouss. ex Willd.) Assenov
Persicaria serrulata (Lag.) Webb & Moq.
Polygonum decipiens R. Br.
Polygonum divaricatum Poir.
Polygonum erythropus Dammer
Polygonum leuconeuron Peter
Polygonum salicifolium Brouss. ex Willd.
Polygonum scabrum Poir.
Polygonum serrulatum Lag.
Common names: Snake-root (English)
Status: Native
Slender erect or decumbent perennial herb. Stems hairless, up to 1 m, rooting at the lower nodes. Leaves subsessile, linear-lanceolate, glabrescent. Flowers in multiple, more or less terminal spike-like racemes, white to deep pink. Fruit a very small black nut, smooth and shiny.
Derivation of specific name: decipiens: deceptive
Habitat: in wet and marshy places. Also as a weed of waste land and roadsides in high rainfall areas.
Altitude range: Up to 1800 m
Flowering time:Oct - May
Worldwide distribution: Almost pan-tropical and -subtropical but apparently naturalized in Madagascar.
Malawi distribution: N,C,S
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 229. as Polygonum salicifolium

Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 95.

Heath, A. & Heath, R. (2009). Field Guide to the Plants of Northern Botswana including the Okavango Delta Kew Publishing Page 188. as Polygonum decipiens (Includes a picture).

Linley, K. & Baker, B. (1972). Flowers of the Veld Bundu Series Longman Zimbabwe Page 31. As Polygonum salicifolium

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 68. as Persicaria serrulata

Nogueira, I., Ortiz, S. & Paiva, J.A.R. (2006). Polygonaceae Flora Zambesiaca 9(3) Pages 9 - 10.

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 85. as Persicaria salicifolia

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 93.

Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 154. as Polygonum salicifolium

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 222. as Persicaria serrulata

Other sources of information about Persicaria decipiens:

Our websites:

Flora of Botswana: Persicaria decipiens
Flora of Caprivi: Persicaria decipiens
Flora of Mozambique: Persicaria decipiens
Flora of Zambia: Persicaria decipiens
Flora of Zimbabwe: Persicaria decipiens

External websites:

African Plants: A Photo Guide (Senckenberg): Persicaria decipiens
African Plant Database: Persicaria decipiens
BHL (Biodiversity Heritage Library): Persicaria decipiens
EOL (Encyclopedia of Life): Persicaria decipiens
ePIC (electronic Plant Information Center): Persicaria decipiens
Flora Zambesiaca web site: Persicaria decipiens
GBIF (Global Biodiversity Information Facility): Persicaria decipiens
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Persicaria decipiens
iNaturalist: Persicaria decipiens
IPNI (International Plant Names Index): Persicaria decipiens
JSTOR Plant Science: Persicaria decipiens
Kew Herbarium catalogue: Persicaria decipiens
Mansfeld World Database of Agricultural and Horticultural Crops: Persicaria decipiens
Plants of the World Online: Persicaria decipiens
The Plant List (version 1.1): Persicaria decipiens
Tropicos: Persicaria decipiens
Wikipedia: Persicaria decipiens

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-20

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2020). Flora of Malawi: Species information: Persicaria decipiens., retrieved 17 February 2020

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