Plants › knotweed family
slender knotweed
Persicaria decipiens
25 photos
Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
low smartweedPersicaria longiseta
pale smartweedPersicaria lapathifolia
spotted lady's thumbPersicaria maculosa
Dense-flowered smartweedPersicaria glabra
swamp smartweedPersicaria hydropiperoides
waterpepperPersicaria hydropiper
Far Eastern smartweedPersicaria extremiorientalis
pinkweedPersicaria pensylvanica
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| Australia | 2,314 |
|---|---|
| Victoria | 1,448 |
| South Africa | 522 |
| New South Wales | 386 |
| Western Cape | 368 |
| South Australia | 266 |
| Queensland | 169 |
| New Zealand | 154 |
| Auckland Region | 58 |
| Gauteng | 55 |
Counts show where people looked, not only where it lives.
Traits
Group and habits
- Human edibleListed as edible by a harvested source. This is a research trait, not foraging advice.Kew World Checklist of Useful Plant Species
- Medicinal useListed as having medicinal use by a harvested source. This is not medical advice.Kew World Checklist of Useful Plant Species
- Crop wild relativeListed as a crop wild relative or crop gene source by a harvested source.Kew World Checklist of Useful Plant Species
Edibility, toxicity and medicinal traits are records from datasets, not advice. Never eat, handle or use a wild species on the strength of an app.
Classification
| Kingdom | Plants · Plantae |
|---|---|
| Phylum | Vascular Plants · Tracheophyta |
| Class | Dicots · Magnoliopsida |
| Order | pinks, cactuses, and allies · Caryophyllales |
| Family | knotweed family · Polygonaceae |
| Genus | knotweeds, smartweeds, and waterpeppers · Persicaria |
Study it in a deck
Or build your own from the species near you.
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- Traits: Kew World Checklist of Useful Plant Species (CC BY 4.0)
- How much to rely on each source
Remember the name next time.
Practise slender knotweed with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.