Bernice Puahi Bishop Museum · CC BY-NC · GBIF · full resolution
Polygonum plebeium
Small Knotweed
As recorded: Polygonum plebeium R.Br.
Plantae › Tracheophyta › Magnoliopsida › Caryophyllales › Polygonaceae
- Collected by
- Lau, S.K.
- Collector number
- 3707
- Date
- April 8, 1934
- Locality
- Chim Fung Ling near Sam Mo Watt village; Kan-en Dikstrikct
- Island
- Hainan
- Region
- China
- Identified by
- Merrill, E.D.
- Record type
- Preserved specimen
Collected the same day
On April 8, 1934, Lau, S.K. also collected 6 other specimens.
Polygonum plebeium observed alive
This specimen was collected in 1934. Since 2000, iNaturalist observers have recorded 490 research-grade sightings in the wild, most recently on 2026-10-14.

2026-10-14
Maruleng, South Africa
(c) Sascha Schumann, some rights reserved (CC BY-NC)

2026-09-21
Croftby QLD 4310, Australia
(c) Lara Solyma, some rights reserved (CC BY-ND)

2026-09-20
Hoedspruit, Limpopo, ZA
(c) brianrode, some rights reserved (CC BY-NC)

2026-09-16
Sheep Creek, Windorah, QLD, AU
(c) Natasha, some rights reserved (CC BY-NC)

2026-09-14
Windorah QLD 4481, Australia
(c) Jahn, some rights reserved (CC BY-NC)

2026-08-15
Zhangjiakou, Hebei, China
(c) 红梅, some rights reserved (CC BY-NC)
Observations and photos from iNaturalist, shown only when openly licensed.
Cite this specimen
Polygonum plebeium. BISH 170760. Bernice Pauahi Bishop Museum, Honolulu. GBIF occurrence 5956308726. Accessed via explore.bishopmuseum.org/specimens/bish/170760.
Record sources
- GBIF occurrence 5956308726 ↗
- Data license: CC_BY_NC_4_0
- Last harvested October 26, 2026
