Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Persicaria chinensis
China knotweed
As recorded: Persicaria chinensis (L.) H.Gross
Plantae › Tracheophyta › Magnoliopsida › Caryophyllales › Polygonaceae
- Collected by
- Faccenda, K.; Najarian, B.K. Faccenda →B. Najarian →
- Collector number
- 2378
- Date
- May 19, 2022
- Locality
- Kalihi Valley, Kalihi St in back of valley, near wooden bridge over Kalihi Stream
- Island
- Oʻahu
- Region
- Hawaii, United States
- Elevation
- 150 m
- Record type
- Preserved specimen
Collected the same day
On May 19, 2022, Faccenda, K.; Najarian, B. also collected 6 other specimens.
Persicaria chinensis observed alive in Hawaiʻi
This specimen was collected in 2022. Since 2000, iNaturalist observers have recorded 13 research-grade sightings in the wild, most recently on 2025-12-14.

2025-12-14
Hawaii, Hawaii, United States
(c) BIISC, some rights reserved (CC BY-NC)

2025-12-14
Ainaloa, HI 96778, USA
(c) BIISC, some rights reserved (CC BY-NC)

2025-12-10
Liliha - Kapalama, Honolulu, HI, USA
(c) Kevin Faccenda, some rights reserved (CC BY)

2025-06-19
Island of Hawaiʻi, Hilo, HI, US
(c) Justin M. Wood, some rights reserved (CC BY-NC)

2025-02-13
Hawaii County, US-HI, US
(c) Herb Nerd, some rights reserved (CC BY-NC)

2024-07-09
Hilo, HI 96720, USA
(c) Kevin Faccenda, some rights reserved (CC BY)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Persicaria chinensis. BISH 788471. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956257829. Accessed via explore.bishopmuseum.org/specimens/bish/788471.
Record sources
- GBIF occurrence 5956257829 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
