Kingdom:
Phylum:
Angiosperms
Order:
Caryophyllales
Genus:
Species:
biaristatum
ID:
1102198

Status:
valid

Authors:
Aitch. & Hemsl.

Source:
tro

Year:
1880

Citation Micro:
J. Linn. Soc., Bot. 18: 90 (1880)

WFO Identifier:
wfo-0001101536



Common Names

  • Polygonum biaristatum
  • Two-Awned Polygonum
  • Two-Awned Knotweed


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Description

Polygonum biaristatum (also called Biarist Knotweed, among many other common names) is a perennial herbaceous plant native to East Asia. It has a creeping rhizome and its stems are erect, up to 1 m tall. It is found in moist meadows, riverbanks, and roadsides.

Uses & Benefits

Polygonum biaristatum is used as an ornamental plant in gardens and as a houseplant. It is also used in traditional medicine to treat a variety of ailments, including fever, cough, and skin diseases.

Flower, Seeds and Seedlings

Polygonum biaristatum has small, white flowers with five petals and yellow anthers. The seeds are small and black. The seedlings are thin and have small, oval-shaped leaves.

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Cultivation and Propagation

Polygonum biaristatum is a hardy perennial that is easy to cultivate and propagate. It can be propagated from seed or by division of the rhizomes. Seeds should be sown in spring or early summer in a well-drained soil and kept moist until germination. The rhizomes can be divided in early spring or autumn and replanted in a sunny or partially shaded position. It is best to avoid planting in areas that are prone to flooding.

Where to Find Polygonum biaristatum

Polygonum biaristatum is native to South Africa and can be found in the Eastern Cape, Free State, Gauteng, KwaZulu-Natal, Limpopo, Mpumalanga, and North West provinces.

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-26002269: Based on the initial data import
William Hemsley (1843-1924): Based on occurrence of standard abbreviation 'Hemsl.' in the authors string.
James Edward Tierney Aitchison (1836-1898): Based on occurrence of standard abbreviation 'Aitch.' in the authors string.