Kingdom:
Phylum:
Angiosperms
Order:
Caryophyllales
Genus:
Species:
polycnemoides
ID:
1101708

Status:
valid

Authors:
Jaub. & Spach

Source:
tro

Year:
1844

Citation Micro:
Ill. Pl. Orient. 2: 30 (1844)

WFO Identifier:
wfo-0001101046



Common Names

  • Polygonum polycnemoides
  • Many-stemmed Knotweed
  • Many-stemmed Smartweed


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Description

Polygonum polycnemoides (also called Polycnemum Knotweed, among many other common names) is an annual herbaceous plant that grows up to 4 feet tall. It is native to North America and is commonly found in moist, open areas such as meadows, fields, and roadsides. It has small, white flowers and lance-shaped leaves.

Uses & Benefits

Polygonum polycnemoides is used as an ornamental plant in gardens and as a ground cover. It is also used to stabilize soil and prevent erosion. The plant is drought tolerant and can be used in xeriscaping. The plant has a high tolerance for salt, making it suitable for planting in coastal areas.

Flower, Seeds and Seedlings

Polygonum polycnemoides has small, white flowers with five petals and five sepals. The seeds are small and black. The seedlings have long, narrow leaves.

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Where to Find Polygonum polycnemoides

Polygonum polycnemoides can be found in the western United States, from California to Montana.

Species in the Polygonum genus

Polygonum icaricum, Polygonum idaeum, Polygonum albanicum, Polygonum arenarium, Polygonum arenastrum, Polygonum acetosum, Polygonum salsugineum, Polygonum scoparium, Polygonum tenoreanum, Polygonum perfoliatum, Polygonum plebeium, Polygonum romanum, Polygonum rurivagum, Polygonum ramosissimum, Polygonum douglasii, Polygonum floribundum, Polygonum equisetiforme, Polygonum filicaule, Polygonum bellardii, Polygonum boreale, Polygonum aviculare, Polygonum cognatum, Polygonum careyi, Polygonum maritimum, Polygonum patulum, Polygonum papillosum, Polygonum oxyspermum, Polygonum glaucum, Polygonum gussonei, Polygonum longiocreatum, Polygonum longipes, Polygonum istanbulicum, Polygonum americanum, Polygonum basiramium, Polygonum parksii, Polygonum angustifolium, Polygonum coriarium, Polygonum divaricatum, Polygonum dshawachischwilii, Polygonum erectum, Polygonum hissaricum, Polygonum humifusum, Polygonum jurii, Polygonum panjutinii, Polygonum thunbergii, Polygonum tripterocarpum, Polygonum weyrichii, Polygonum brittingeri, Polygonum lacerum, Polygonum paraguayense,

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-26000883: Based on the initial data import
Hippolyte François Jaubert (1798-1874): Based on occurrence of standard abbreviation 'Jaub.' in the authors string.
Édouard Spach (1801-1879): Based on occurrence of standard abbreviation 'Spach' in the authors string.