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Dyer's Woad
Brassicaceae
Isatis tinctoria



gardengeek
gardengeek
Flower Petal # 4
Main Color    
Color 2    
Type Categories Useful Parts

Herb



Brassicaceae Family

Isatis Genus
Other Names for this Plant

Isatis indigotica , Asp of Jerusalem, German Indigo


Location

Found : Salt Lake City, Utah. Near the mouth of Little Cottonwood Canyon.
Origin: Caucasus, Central Asia, eastern Siberia, Western Asia

Physical Description
Leaves have a blue-green color, with a whitish vein on the upper surface of the blade. Grows to over five feet in height. Tap root can be five feet deep or more, making it hard to pull out. The seed pods are similar to tiny pea pods when opened, except there is just one seed per pod. When completely dry, the seeds turn deep purple. Seeds become viable comparatively early during seed production.

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What's This?

Brassicaceae
Brassicales
Brassicales
Order of Mustard
Eumalvids
Real Mallows
Malvidae
Mallow Class
Eurosids
Real Rose Class
Rosids
Rosids
Rose-Like Class
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

Likes disturbed soil.
Used to make blue dye.
Woad is an Antiseptic.
"Dyer" means, the person who Dyes clothing, in this case, deep blue.
The first archaeological finds of woad seeds, dated to have lived in the Neolithic, were found in
the French cave of l'Audoste, Bouches du Rhone (France).
Egyptians, used it to dye the cloth wrappings of mummies.
The actual chemical is Indigo that stains very well.

Most livestock and wildlife won't graze it.

Used to protect wood against decay without dangerous chemicals.

In the UK it is used in inks, particularly for inkjet printers, and dyes.

woad is biodegradable and safe in the environment, unlike many synthetic inks.
Isatis tinctoria is an invasive species in parts of the United States.
A chemical found in Woad called glucobrassicin might be used to prevent cancer. Dyer's Woad has extra high levels of glucobrassicin.

Damaged leaves produce more glucobrassicin

Glucobrassicin means "Brassica Sugar"
Indigowoad Root is a traditional Chinese medicine herb.

The root is dried, then processed into granules, which are most commonly consumed dissolved in hot water or tea.
Used to soothe sore throat and to treat influenza, measles, mumps, syphilis, or scarlet fever.



Dyer\'s Woad, Isatis tinctoria
The young seed pods look like little green slippers.



Dyer\'s Woad, Isatis tinctoria - Brassicaceae
Seed Pods



Dyer\'s Woad, Isatis tinctoria - Flowers




Dyer\'s Woad, Isatis tinctoria - Flowers




Dyer\'s Woad, Isatis tinctoria Stem
Showing the blueish coloration, this is the Indigo.



Dyer\'s Woad, Isatis tinctoria
Rosette Base

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