Home

Add

Plants

Fungus

Animals

Disease

 Unknown

Tree of Life

Tips

Q & A

Learn

More
 


Healthy Home Gardening

Lady’s Thumb

Polygonaceae Polygonum persicaria

Thunder
Thunder
Type Categories Useful Parts
Herb
Herb
Food Medicine
Weed
Leaves Seeds

Look for Lady’s Thumb on:
Google: Lady’s Thumb Wikipedia: Lady’s Thumb YouTube: Lady’s Thumb
Lady’s Thumb

Main Order Diagram | Plant Order List

Polygonaceae Family
Unkown Pink Knotweed Desert Buckwheat Lady’s Thumb Sulfur Buckwheat Desert Trumpet Common Knotgrass Redshank, Ladysthumb Pretty Buckwheat - Unknown Wild Buckwheat, Sulfur Buckwheat

Polygonum Genus
Pink Knotweed Lady’s Thumb Common Knotgrass
Other Names for this Plant

Lady’s Thumb Smartweed, Red leg, Knotweed, Tear-thumb, Pennsylvania Smartweed


Location

Lady’s thumb originated inEurope, and is now distributed throughout the United States.

Physical Description
Add a Word
: Leaves: Arranged alternately along the stem, lanceolate to elliptic in outline, approximately 2 to 6 inches long and 1 1/4 inches wide. Older leaves are usually only slightly hairy. Leaves taper to short petioles, which have an ocrea that encircles the stem. Leaves often, but not always, have a purple spot in the middle of the leaf which resembles the mark of a lady's thumb, thus the name of this weed.
Roots small and usually pink in color but can occasionally be white. Fibrous roots with a shallow taproot
Fruit: A black achene:
Stems: Branched, often reddish in color and swollen at the nodes. A thin membranous sheath called an ocrea encircles the stem at the base of each leaf petiole. The ocrea's of ladysthumb have stiff hairs arising from the top of the ocrea, which are approximately 2 mm long.
Flowers: Flowers are clustered in terminal spikes at the ends of stems. Individual flowers are.

Add to Compare Species
What's This?

Polygonaceae
Caryophyllales
Caryophyllales
Core Eudicots
Core Eudicots
Main, Real, Two First-Leaves (Dicots)
Eudicots
Eudicots
Real, Two First-Leaves (Dicots)
Mesangiospermae
Mesangiospermae
Half Capsule Seed Division
Magnoliophyta
Magnoliophyta
Magnolia Division
Spermatophytes
Spermatophytes
Seed Plants
Euphyllophytina
Real Land Plants
Polysporangiates
Multiple Spore Sub-Kingdom
Stomatophytes
Stomatophytes
Air Pores Sub-Kingdom
Embryophytes
Embryophytes
Multicellular Land Plants
Streptobionta
Streptobionta
Multicellular Plants
Plantae
Plantae
Plants
Eukaryota
Eukaryota
Cells with a Nucleus
General Information

Medicinal Uses: Cherokee Drug (Analgesic): Decoction mixed with meal and used as poultice for pain. (Dermatological Aid): Crushed leaves rubbed on poison ivy. (Urinary Aid): Infusion taken for "gravel."
Chippewa Drug (Analgesic): Decoction of leaves and flowers taken for stomach pain. (Gastrointestinal Aid): Simple or compound decoction of flowers and leaves taken for stomach pain.
Iroquois Drug (Antirheumatic (External): Decoction of plant used as a foot and leg soak for rheumatism. (Heart Medicine): Plant used for heart trouble.
The leaves are astringent, diuretic, rubefacient and vermifuge. An infusion has been used as a treatment for gravel and stomach pains. A decoction of the plant, mixed with flour, has been used as a poultice to help relieve pain. A decoction of the plant has been used as a foot and leg soak in the treatment of rheumatism. The crushed leaves have been rubbed on poison ivy rash
Food Uses: Leaves and young shoots - raw or cooked. They contain about 1.9% fat, 5.4% pectin, 3.2% sugars, 27.6% cellulose, 1% tannin.
Seed - raw or cooked. It is rather small and fiddly to utilize.
Other Notes: A yellow dye is obtained from the plant when alum is used as a mordant

Lady’s Thumb

Lady’s Thumb


Lady’s Thumb

Lady’s Thumb


Comment: Lady’s Thumb, Polygonum persicaria

Phylogenetic Tree of Life

Learn how to create a custom
Tree of Life

NEW!
Share "Lady’s Thumb, Polygonum persicaria "


+ Facebook + Twitter + Digg + Stumbleupon



    © Copyright 2006 - 2014 HealthyHomeGardening.com. All Rights Reserved.
Português
Database Web Design by Artatom