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Plants › knotweed family

knotweeds

Polygonum

88,290 observations in the source records

4 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.

What the records say

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Classification

KingdomPlants · Plantae
PhylumVascular Plants · Tracheophyta
ClassDicots · Magnoliopsida
Orderpinks, cactuses, and allies · Caryophyllales
Familyknotweed family · Polygonaceae

Sources

Remember the name next time.

Practise knotweeds with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.