narrow-leaf dock
Rumex stenophyllus Ledeb.
Rumex stenophyllus, known as narrow-leaf dock, is a perennial herb in the Polygonaceae family. It is native to Eurasia and has been introduced to parts of North America, where it is considered a roadside weed. It thrives in moist, often saline soils. The plant typically grows 40 to 80 cm tall, with lance-shaped leaves up to 30 cm long and curled edges. Its inflorescence consists of clusters of flowers with six tepals, the inner three being triangular and toothed.
Description
Rumex stenophyllus is a member of the knotweed family (Polygonaceae) and is found in regions such as Alberta, British Columbia, Belgium, Germany, and Ukraine. It is a perennial plant with an erect stem and a thick taproot. The leaves are lanceolate and can reach 30 cm in length. The flowers are arranged in interrupted clusters, with 20 to 25 flowers per cluster, each on a pedicel. The flower structure includes six tepals, with the inner three being the largest, triangular, and toothed. This species was first described in 1830 by Ledeb.
Other common names
Narrowleaf docknarrow-leaf docknarrow-leaved docknarrow-leaved field dockserrate-valve dock
Distribution
Alberta · British Columbia · Manitoba · New Brunswick · Quebec · Saskatchewan · RU · Belgium · Flemish Region · Walloon Region · MX · DK · BY · Estonia · Latvia · Germany · Ukraine · SE · EE · PL · DE · LV · IS · NO · CA · conterminous 48 United States · Altay · Amur · Austria · Bulgaria
Synonyms
Rumex ussuriensisRumex crispus var. dentatusRumex alluviusRumex obtusifolius var. cristatusRumex stenophyllus var. ussuriensis