- Plants
- ›Vascular Plants
- ›flowering plants
- ›Dicots
- ›pinks, cactuses, and allies
- ›knotweed family
- ›Polygonoideae
- ›Polygoneae
- ›Reynoutriinae
- ›Reynoutria

Crenulate Knotweed
Reynoutria ciliinervis
Reynoutria ciliinervis is a species of flowering plant in the family Polygonaceae, native to Korea and China – north-central China, south-central China, northeast China (Manchuria) and Qinghai. It was first described by Takenoshin Nakai in 1914 (as Pleuropterus ciliinervis) and transferred to Reynoutria by Harold Norman Moldenke in 1941. It has also been placed in Fallopia and Polygonum.
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Reynoutria ciliinervis in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 914493.