Kebnat
PLANTS

Spotted ladysthumb

Persicaria maculosa

Plants
IntroducedHerbAnnual · Perennialaoût to octobre
Spotted ladysthumb, photo 1 of 5
Spotted ladysthumb, In flower
Spotted ladysthumb, In fruit

Annual herbaceous plant. Introduced to Québec. Grows in fields. Flowers from August to October.

There are 591 observations of Spotted ladysthumb in Québec, mostly in Montréal, Montérégie and Capitale-Nationale, and it has been reported in every region. They peak in July and August and become rare from November to May.

Through the year

JFMAMJJASOND

Where to see it

  1. Montréal117
  2. Montérégie80
  3. Capitale-Nationale79
  4. Chaudière-Appalaches43
  5. Lanaudière36
  6. Laurentides34
  7. Outaouais34
  8. Estrie33
  9. Saguenay–Lac-Saint-Jean25
  10. Bas-Saint-Laurent21
  11. Centre-du-Québec19
  12. Abitibi-Témiscamingue19
  13. Mauricie18
  14. Côte-Nord13
  15. Laval9
  16. Gaspésie–Îles-de-la-Madeleine6
  17. Nord-du-Québec5

Habitat

FieldsMario Hains

Similar species

Oriental lady's thumbPersicaria longiseta
Curlytop knotweedPersicaria lapathifolia
Pennsylvania smartweedPersicaria pensylvanica
Water knotweedPersicaria amphibia
JumpseedPersicaria virginiana
Swamp smartweedPersicaria hydropiperoides
Water-pepperPersicaria hydropiper
Pygmy smartweedPersicaria minor
Dotted smartweedPersicaria punctata
Arrowleaf tearthumbPersicaria sagittata
Common BistortBistorta officinalis
Asian jumpseedPersicaria filiformis