Kingdom:
Phylum:
Angiosperms
Order:
Caryophyllales
Species:
polygama
ID:
1101672

Status:
valid

Authors:
Engelm. & Gray

Source:
tro

Year:
1845

Citation Micro:
Boston J. Nat. Hist. 5: 231 (1845)

WFO Identifier:
wfo-0001101010

Common Names

  • Polygonella polygama
  • Many-flowered Jointweed
  • Many-flowered Knotweed

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Description

Polygonella polygama (also called Polygamous Polygonella, among many other common names) is an annual or perennial plant native to North America. It has a basal rosette of lanceolate leaves and a tall, erect stem with small white flowers. It grows in moist, grassy areas, such as riverbanks, meadows, and roadsides.

Uses & Benefits

Polygonella polygama is used as an ornamental plant in gardens and as a ground cover. It is also used as a medicinal plant to treat various ailments.

Cultivars, Varieties & Sub-species

Polygonella polygama var. croomii (Chapm.) Fernald
Polygonella polygama var. brachystachya (Meisn.) Wunderlin

Flower, Seeds and Seedlings

Polygonella polygama has yellow flowers with five petals. The seeds are small and black. The seedlings are small and have a single, upright stem.

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Where to Find Polygonella polygama

Polygonella polygama is native to North America and can be found in the eastern and central parts of the United States.

Species in the Polygonaceae family

Acanthoscyphus parishii, Afrobrunnichia africana, Afrobrunnichia erecta, Antigonon flavescens, Antigonon guatimalense, Antigonon leptopus, Aristocapsa insignis, Atraphaxis intricata, Atraphaxis angustifolia, Atraphaxis aucheri, Atraphaxis avenia, Atraphaxis badghysi, Atraphaxis billardieri, Atraphaxis bracteata, Atraphaxis canescens, Atraphaxis caucasica, Atraphaxis compacta, Atraphaxis daghestanica, Atraphaxis decipiens, Atraphaxis frutescens, Atraphaxis grandiflora, Atraphaxis irtyschensis, Atraphaxis karataviensis, Atraphaxis kopetdagensis, Atraphaxis laetevirens, Atraphaxis macrocarpa, Atraphaxis manshurica, Atraphaxis muschketowii, Atraphaxis pungens, Atraphaxis pyrifolia, Atraphaxis rodinii, Atraphaxis seravschanica, Atraphaxis spinosa, Atraphaxis suaedifolia, Atraphaxis teretifolia, Atraphaxis virgata, Atraphaxis arianum, Atraphaxis atraphaxiforme, Atraphaxis toktogulicum, Brunnichia ovata, Calligonum acanthopterum, Calligonum aciferum, Calligonum aculeatum, Calligonum aequilaterale, Calligonum alaschanicum, Calligonum alatiforme, Calligonum alatum, Calligonum amoenum, Calligonum androssowii, Calligonum aphyllum,

References

The Plant List v1.1 record tro-26000823: Based on the initial data import
George Engelmann (1809-1884): Based on occurrence of standard abbreviation 'Engelm.' in the authors string.
Samuel Frederick Gray (1766-1828): Based on occurrence of standard abbreviation 'Gray' in the authors string.