Home » Plant infomation

Polygonum glabrum WILLD.

Botanical Name

Polygonum glabrum WILLD.

English Name

Denseflower knotweed

Synonym(s)

Polygonum persicaria, Persicaria glabra L.

Family

Polygonaceae

General Info

Description

An erect, glabrous herb. Leaves lanceolate, acuminate at apex, tapering at base, gland dotted; ochreae 2.0 to 3.5 cm long, glabrous, truncate at mouth. Racemes terminal. Panicled; bracts glabrous. Perianth pink; lobes 5. Stamens 8, styles 2. Fruit nut, biconvex.

Herb Effects

Antiviral, hypothermic and stimulates the cardiovascular system (plant); antibacterial (leaf).

Chemistry

Active Ingredients

Cyanidin-3 and delphinidin-3 (flower); quercitrin, avicularin, rutin and rhamnetin (leaf); quercetin (leaf and flower).

Chemistry of Active Ingredients

Name

CAS#

IUPAC Name

Formula

Structure

Quercitrin

6151-25-3

2-(3,4-dihydroxyphen
yl)-4,5-dihydroxy-3-
(3,4,5-trihydroxy-6-
methyl-oxa n-2-yl)o
xy-chromen-7-one

C₂₁H₂₀O₁₁

Avicularin

Not Available

2-(3,4-dihydroxyphen
yl)-5,7-dihydroxy-3-
(4,5,6-trihydroxyoxa
n-3-yl)oxy -chroman
-4-one

C₂₀H₂₀O₁₁

Rutin

Not Available

2-(3,4-dihydroxyphen
yl)-4,5-dihydroxy-3-
[3,4,5-trihydroxy-6-
[(3,4,5-tr ihydroxy
-6-methyl-tetrahydro
pyran-2-yl)oxymethyl
]tetrahydropyran-2-y
l] oxy-chromen-7-on
e trihydrate

C₂₇H₃₆O₁₉

Rhamnetin

90-19-7

2-(3,4-dihydroxyphen
yl)-3,4-dihydroxy-7-
methoxy-chromen-5-on
e

C₁₆H₁₂O₇

Quercetin

Not Available

2-(3,4-dihydroxyphen
yl)-3,4,5-trihydroxy
-chromen-7-one

C₁₅H₁₀O₇

Pharmacology

Medicinal Use

Colic (leaf); in pneumonia and as anthelmintic (plant juice); snakebite antidote (rhizome); for piles, jaundice, debility and consumption (root stocks).

Reference

Chandel et al., Biodiversity in Medicinal and Aromatic Plants in India.

Dealers

Products

More Info

Search for Pictures

Search for Scholarly Articles

Search using Scientific Name and Vernacular Names