Fallopia ×bohemica
Bohemian knotweed
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Family: Polygonaceae · Type: Dicot (Herb/Vine)
Conservation status: Cal-IPC Yes
Fallopia ×bohemica (Bohemian knotweed) is a California dicot (herb/vine) in the Polygonaceae family.
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Identification and appearance
Key characters: Differentiators are not available at this time.
Conservation status
Cal-IPC Yes
How to tell it apart
vs Sonchus: Fallopia has smooth-edged leaves; Sonchus has deeply lobed leaves with prickly edges and milky sap.; vs Oxyria: Fallopia is a climbing vine; Oxyria is an upright herb with kidney-shaped basal leaves.; vs Bistorta: Fallopia climbs with heart-shaped leaves; Bistorta grows upright with dense flower spikes.; vs Persicaria: Fallopia is a climbing vine; Persicaria is upright or sprawling, not climbing.; vs Aconogonon: Fallopia climbs; Aconogonon forms upright clumps in high mountains.
Frequently asked questions
What plant family does Fallopia ×bohemica belong to?
Fallopia ×bohemica is in the Polygonaceae family, genus Fallopia.
Is Fallopia ×bohemica invasive in California?
Fallopia ×bohemica is listed by Cal-IPC with an invasiveness rating of Yes.
Related species
Other California species in the same genus, family, or bioregion.
Last updated 2026-09-30
Data from The California Species Project — 14,000+ California species with verified data from CNPS, CDFW, USFWS, Cal-IPC, and more.