Plants of
South Australia
Persicaria lapathifolia
Polygonaceae
Pink Knotweed,
Pale Knotweed
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Regional Species Conservation Assessments per IBRA subregion.
Least concern
Near threatened
Rare
Vulnerable
Endangered
Critically endangered
Extinct
Data deficient
Adelaide
Arkaroola
Ceduna
Coober Pedy
Hawker
Innamincka
Marla
Marree
Mount Gambier
Oodnadatta
Renmark
Wudinna
Keith
Yunta
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Prior names

Polygonum lapathifolium var. lanigerum

Polygonum lanigerum

Polygonum lapathifolium

Common names

Pink Knotweed

Pale Knotweed

Distribution and status

Herbarium regions: Lake Eyre, Eastern, Murray, Southern Lofty, South Eastern, Green Adelaide
NRM regions: Adelaide and Mount Lofty Ranges, South Australian Arid Lands, South Australian Murray-Darling Basin
AVH map: SA distribution map (external link)

Seeds stored:
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LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA9,170 (7.8 g)5018-Jan-2007RJB71304
Northern Lofty
1-Aug-200770%-18°C
BGA155,200 (126.77 g)4025-Jan-2008TST355
Murray
19-Sep-200830%-18°C
Location: BGA — the seeds are stored at the Adelaide Botanic Gardens, MSB — the seeds are stored at the Millennium Seed Bank, Kew, England.
Number of plants: This is the number of plants from which the seeds were collected.
Collection location: The Herbarium of South Australia's region name.
% Viability: Percentage of filled healthy seeds determined by a cut test or x-ray.