Narrowleaf Dock

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Rumex stenophyllus

Narrowleaf Dock, a reference photo
Photo: Stephen Laymon, Bureau of Land Management · Public domain

Rumex stenophyllus is a species of flowering plant in the knotweed family known by the common name narrow-leaf dock. It is native to Eurasia and it can be found in parts of North America as an introduced species and roadside weed. It grows in moist and wet habitat, often in areas with saline soils. It is a perennial herb producing an erect stem from a thick taproot, usually measuring 40 to 80 centimeters tall, but known to well exceed one meter. The leaves are up to 30 centimeters long and are generally lance-shaped with curled edges. The inflorescence is an interrupted series of clusters of flowers with 20 to 25 in each cluster, each flower hanging from a pedicel.

From Wikipedia, under CC BY-SA 4.0.

Is it poisonous?

We have no record of Narrowleaf Dock being toxic, poisonous or venomous. That is not proof that it is safe. Never eat, touch or handle a wild plant, mushroom or animal on the strength of an identification; ask someone qualified.

Easily confused with

Classification

Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Caryophyllales
Family
Polygonaceae
Genus
Rumex
Species
Rumex stenophyllus

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