The Flora of Derbyshire - Checklist, Maps and Sample Accounts

THIS IS A DRAFT

The species account below is an early version, drafted around 2003. It has been provided here to aid understanding, but please be aware it may not fully tally with the up-to-date map and statistics shown below.

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Dates
First year: 1973
Latest year: 2003

County Status
Established

Family
Polygonaceae

Total records held
13

Grid Square Count

1987-2007	Ever
Monads: 5	6
Tetrads: 4	5
Hectads: 3	4

Conservation Status

Account last edited
Oct 17 2003

Explanation of terms

Species Details

Lesser Knotweed is a very rare established perennial of damp shady places in the north of our area (Toddbrook Reservoir SK0081, Whirlow SK3082 & Great Pond of Stubbing SK3667). It is sometimes grown in gardens from which it is spread by rhizome fragments. It is a native of the Himalayas.