Polygonum nuttallii

Species of flowering plant

Polygonum nuttallii
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Polygonum
Species:
P. nuttallii
Binomial name
Polygonum nuttallii
Small 1895
Synonyms[1]
  • Polygonum intermedium Nutt. ex S. Watson 1882, illegal homonym not Ehrh. 1791
  • Polygonum douglasii subsp. nuttallii (Small) J.C. Hickman

Polygonum nuttallii is a North American species of flowering plant in the buckwheat family known by the common name Nuttall's knotweed. It grows in the Pacific Northwest, in British Columbia, Washington, and Oregon.[2]

Polygonum nuttallii is an herb up to 35 cm (14 in) tall. Stems are thin and wiry. Flowers are white or pink.[3][4][5]

References

  1. ^ Tropicos, Polygonum nuttallii Small, 1895. Nuttall's knotweed
  2. ^ Biota of North America Program 2014 county distribution map
  3. ^ Flora of North America, Polygonum nuttallii Small, 1895. Nuttall's knotweed
  4. ^ Small, John Kunkel. 1895. Memoirs from the Department of Botany of Columbia College. vol.I. Monograph of the North American Species of the genus Polygonum page 132 description in English
  5. ^ Small, John Kunkel. 1895. Memoirs from the Department of Botany of Columbia College. vol.I. Monograph of the North American Species of the genus Polygonum plate 53 line drawing of Polygonum nuttallii

External links

  • photo of herbarium specimen at Missouri Botanical Garden, collected in Oregon in 1881
Taxon identifiers
Polygonum nuttallii


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