Aconogonon phytolaccifolium

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Aconogonon phytolaccifolium
Polygonum phytolaccifolium.jpeg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Core eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Aconogonon
Species: A. phytolaccifolium
Binomial name
Aconogonon phytolaccifolium
(Meisn. ex Small) Rydb. 1817
  • Aconogonum phytolaccaefolium (Meisn. ex Small) Rydb.
  • Polygonum phytolaccifolium Meisn. ex Small
  • Polygonum phytolaccaefolia Meisn. ex Small
  • Koenigia phytolaccifolia (Meisn. ex Small) T.M. Schust. & Reveal

Aconogonon phytolaccifolium is a species of flowering plant in the knotweed family known by the common name Poke knotweed.


Aconogonon phytolaccifolium is native to the western United States: California, Oregon, Washington, Nevada, Idaho, and Montana.[3][4][5]


Aconogonon phytolaccifolium is a perennial herb up to 200 cm (79 in) tall. The lance-shaped or pointed oval leaves are 10 to 20 centimeters long and borne on petioles. The leaves have large stipules which form reddish ochrea up to 3 centimetres (1.2 inches) long. The inflorescence is a long array of branching cluster of many white or greenish flowers. Each flower is about 4 millimetres (0.16 inches) wide and has tiny protruding stamens tipped with yellow or pink anthers.[6]


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