Polygonum utahense

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
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Core eudicots
Order:
Caryophyllales
Family:
Polygonaceae
Genus:
Polygonum
Species:
P. utahense
Binomial name
Polygonum utahense
Brenckle & Cottam 1940
Synonyms[1]
  • Polygonum utahensis
  • Polygonum douglasii var. utahense (Brenckle & Cottam) S.L.Welsh

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
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