Kingdom:
Phylum:
Angiosperms
Order:
Caryophyllales
Genus:
Species:
japonicum
ID:
1245900

Status:
valid

Authors:
Meisn.

Source:
tro

Year:
1856

Citation Micro:
Prodr. 14: 112 (1856)

WFO Identifier:
wfo-0001245238



Common Names

  • Polygonum japonicum
  • Japanese Knotweed
  • Japonicum Knotweed


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Description

Polygonum japonicum (also called Japanese Knotweed, among many other common names) is a herbaceous perennial native to Mexico. It has small, oval leaves and produces small, white flowers. It is found in tropical and subtropical forests, as well as in disturbed areas.

Uses & Benefits

Polygonum japonicum is used as a traditional medicine to treat fever and malaria. It is also used as a food source and for its wood.

Cultivars, Varieties & Sub-species

Polygonum japonicum var. conspicuum Nakai

Flower, Seeds and Seedlings

Polygonum japonicum has small, white flowers that grow in clusters on the plant. The flowers are followed by fruits that contain two or three seeds. The seeds are round and black in color. The seedlings are small and have a single stem with two or three leaves.

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Cultivation and Propagation

Polygonum japonicum is a perennial herb that can be propagated from seeds or cuttings. It prefers moist, well-drained soil and partial shade. It can be grown in full sun, but it is best to provide some shade during the hottest part of the day. The plant should be watered regularly, but not overly saturated. Fertilize with a balanced fertilizer every two weeks during the growing season.

Where to Find Polygonum japonicum

Polygonum japonicum can be found in the tropical forests of Colombia and Ecuador.

Polygonum japonicum FAQ

What is the scientific name of Polygonum japonicum?

Polygonum japonicum

What type of plant is Polygonum japonicum?

A herbaceous perennial

What is the natural habitat of Polygonum japonicum?

Grassy places, roadsides, and riverbanks

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