Persicaria chinensis

China knotweed

As recorded: Polygonum chinense L.

Plantae › Tracheophyta › Magnoliopsida › Caryophyllales › Polygonaceae

Collected by: Eberhardt
Collector number: 4444
Date: November 1, 1918
Locality: Huang Hoa, Thua-Tho (Unsure)
Region: Vietnam
Record type: Preserved specimen

58 Bishop specimens of Persicaria chinensis · collected 1836–2025Species page ›

Persicaria chinensis observed alive

This specimen was collected in 1918. Since 2000, iNaturalist observers have recorded 6,717 research-grade sightings in the wild, most recently on 2026-10-28.

2026-10-28

Huaien Tunnel, Wenshan District, Taipei City, TW

(c) 張朝翔, some rights reserved (CC BY)

2026-10-27

Pokhara, Gandaki, NP

(c) aghosh, some rights reserved (CC BY-NC)

2026-10-26

Paiengaon Forest, West Bengal, India

(c) Sagnik Dutta Roy, some rights reserved (CC BY)

2026-10-25

Qionglin Township, Hsinchu County, TW

(c) Chihuang Chang, some rights reserved (CC BY-NC)

2026-10-25

江苏省南京市玄武区九华山

(c) B yulong, some rights reserved (CC BY-NC)

2026-10-25

Clear Water Bay, Kowloon, HK

(c) 翬/Fai/A., some rights reserved (CC BY-NC)

Observations and photos from iNaturalist, shown only when openly licensed.

Cite this specimen

Persicaria chinensis. BISH 170780. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956199563. Accessed via explore.bishopmuseum.org/specimens/bish/170780.

Record sources

GBIF occurrence 5956199563 ↗
Data license: CC_BY_NC_4_0
Last harvested October 26, 2026