2201.030 Persicaria (L.) Mill. - Knotweeds

Ronse Decraene, L.-P. & Akeroyd, J.R. (1988) Generic limits in Polygonum and related genera (Polygonaceae) on the basis of floral characters Botanical Journal of the Linnean Society 98 321-371

Description of the genus

Annual or perennial herbs, usually (in ours) erect. Ochreae present. Leaves large compared to Polygonum, usually more than 5 cm. Each inflorescence with usually more than 6 flowers, some or all inflorescences terminal, bracts similar to the leaves. Perianth segments mostly 5, petaloid, not enlarging in fruit. Stamens 8 (or 4-7 by reduction). Styles 2-3; nut biconvex or 3-angled.

Worldwide: c. 150 species, ± cosmopolitan

Burundi: 9 taxa.

The larvae of the following species of insect eat species of this genus:
Comostilopsis stillata (Pink-laced Emerald)
Rhodometra sacraria (Vestal)
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Links to taxa:     View: living plant images - herbarium specimen images - all images for this genus

SpeciesContent
acuminata (Kunth) M.Gómez
decipiens (R. Br.) K.L. WilsonDescription, Image
glomerata (Dammer) S. Ortiz & Paiva
lapathifolia (L.) GrayDescription
limbata (Meisn.) H. HaraDescription, Image
nepalensis (Meisn.) H. GrossDescription, Image
senegalensis (Meisn.) SojákDescription, Image
setosula (A. Rich.) K.L. Wilson
strigosa (R. Br.) H. GrossDescription, Image

Other sources of information about Persicaria:

Our websites:

Flora of Botswana: Persicaria
Flora of Caprivi: Persicaria
Flora of Malawi: Persicaria
Flora of Mozambique: Persicaria
Flora of Zambia: Persicaria
Flora of Zimbabwe: Persicaria
Flora of Zimbabwe: cultivated Persicaria

External websites:

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



Flora of Burundi: Genus page: Persicaria.
https://www.burundiflora.com/speciesdata/genus.php?genus_id=516, retrieved 4 December 2024

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