Persicaria glabra, also known as denseflower knotweed, is a species of flowering plant native to North America and Eurasia.[1]

Persicaria glabra
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Persicaria
Species:
P. glabra
Binomial name
Persicaria glabra
(Willd.)M.Gómez
Synonyms
  • Persicaria densiflora

Description

edit

It is similar in appearance to P. longiseta and P. lapathifolia. The plant is a medium-sized annual herb with red, swollen joints and lanceolate leaves. The inflorescence is a dense raceme of small pink or white flowers, the fruit a flattened black nut.

References

edit
  1. ^ Kim, Sang‐Tae; Donoghue, Michael J. (1 September 2008). "Incongruence between cpDNA and nrITS trees indicates extensive hybridization within Eupersicaria (Polygonaceae)". American Journal of Botany. 95 (9): 1122–1135. doi:10.3732/ajb.0700008. ISSN 0002-9122.
edit