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Polygonum utahense
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Polygonaceae
Genus: Polygonum
Species:
P. utahense
Binomial name
Polygonum utahense
Synonyms[1]
  • Polygonum utahensis
  • Polygonum douglasii var. utahense (Brenckle & Cottam) S.L.Welsh

Polygonum utahense, the Utah knotweed, is an unresolved name for a putative North American species of plants in the buckwheat family.[2] It has been found only in the States of Utah and Arizona in the southwestern United States.[3]

Polygonum utahense is a herb up to 50 cm (20 in) tall. Stems are green or brown, not wiry. Leaves are narrow, up to 4 cm (1.6 in) long. Flowers are pink or white.[4]

References

  1. ^ Tropicos, Polygonum utahensis Brenckle & Cottam
  2. ^ "The Plant List: Polygonum". Royal Botanic Gardens, Kew and Missouri Botanic Garden. 2013.
  3. ^ Biota of North America Program 2014 county distribution map
  4. ^ Flora of North America, Polygonum utahense Brenckle & Cottam, 1940. Utah knotweed