Kingdom:
Phylum:
Angiosperms
Order:
Caryophyllales
Genus:
Species:
romanum
ID:
489854

Status:
valid

Authors:
Jacq.

Source:
cmp

Year:
1768

Citation Micro:
Observ. Bot. 3: 8 (1768)

WFO Identifier:
wfo-0000489186

Common Names

  • Polygonum Romanum
  • Roman Knotweed
  • Roman Polygonum

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Description

Polygonum romanum (also called Roman Knotweed, among many other common names) is an annual herbaceous plant that is native to North America. It grows to a height of 30-90 cm and has small, white flowers. It is found in moist, disturbed soils, such as along roadsides and in fields.

Uses & Benefits

Polygonum romanum is used in traditional medicine to treat various ailments, including fever, cough, and sore throat. It is also used as an ornamental plant in gardens and as a natural dye for fabrics.

Cultivars, Varieties & Sub-species

Polygonum romanum sub. gallicum (Raffaelli) Raffaelli & L.Villar

Flower, Seeds and Seedlings

The flower of Polygonum romanum is a small, white, bell-shaped flower with a yellow center. The seed is a small, black, round seed. The seedlings are small, green, and have a single, oval-shaped leaf.

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Cultivation and Propagation

Polygonum romanum is a perennial herb that grows best in full sun to partial shade. It prefers moist, well-drained soil and can tolerate some drought. Propagation is usually done by seed or division of the root system.

Where to Find Polygonum romanum

Polygonum romanum is native to the temperate regions of Europe, from France to Russia.

Polygonum romanum FAQ

What is the scientific name of Polygonum romanum?

Polygonum romanum

What are the common names of Polygonum romanum?

Polygonum romanum is commonly known as Roman knotweed

What is the natural habitat of Polygonum romanum?

Polygonum romanum is native to temperate regions of Europe, Asia, and North America

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,