Polygonum humifusum

Polygonum humifusum is a species of Asian and North American flowering plant in the buckwheat family, Polygonaceae.^[1][3]

Polygonum humifusum
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Polygonaceae
Genus:	Polygonum
Species:	P. humifusum
Binomial name
Polygonum humifusum C.Merck ex K.Koch
Subspecies[1]
Polygonum humifusum subsp. caurianum (B.L.Rob.) Costea & Tardif Polygonum humifusum subsp. humifusum
Synonyms[2]
Polygonum humifusum f. yamatutae (Kitag.) C.F. Fang Polygonum mandshuricum Skvortsov Polygonum yamatutae Kitag. Polygonum caurianum B.L. Rob.

It grows in arctic and subarctic regions of eastern Russia, Mongolia, northeastern China, Alaska, and Canada (Yukon, Northwest Territory, Nunavut, British Columbia, northern Ontario).^[4][5]

Polygonum humifusum is a branching herb with erect or reclining stems up to 30 cm (1 foot) tall. Flowers are green, pink, or white, produced in groups of 2–5. It grows in fields and on riverbanks at elevations less than 400 m (1300 feet).^[6]