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woad    
n. 大青;菘蓝;蓝色染料

大青;菘蓝;蓝色染料

woad
n 1: a blue dyestuff obtained from the woad plant
2: any of several herbs of the genus Isatis

Woad \Woad\, n. [OE. wod, AS. w[=a]d; akin to D. weede, G. waid,
OHG. weit, Dan. vaid, veid, Sw. veide, L. vitrum.] [Written
also {wad}, and {wade}.]
[1913 Webster]
1. (Bot.) An herbaceous cruciferous plant ({Isatis
tinctoria}) of the family {Cruciferae} (syn.
{Brassicaceae}). It was formerly cultivated for the blue
coloring matter derived from its leaves. See {isatin}.
[1913 Webster]

2. A blue dyestuff, or coloring matter, consisting of the
powdered and fermented leaves of the {Isatis tinctoria}.
It is now superseded by indigo, but is somewhat used with
indigo as a ferment in dyeing.
[1913 Webster]

Their bodies . . . painted with woad in sundry
figures. --Milton.
[1913 Webster]

{Wild woad} (Bot.), the weld ({Reseda luteola}). See {Weld}.


{Woad mill}, a mill grinding and preparing woad.
[1913 Webster]


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  • Isatis tinctoria - Wikipedia
    Isatis tinctoria, also called woad ( ˈwoʊd ), dyer's woad, dyer's-weed, or glastum, is a flowering plant in the family Brassicaceae (the mustard family) with a documented history of use as a blue dye and medicinal plant
  • Woad | Dye Plant, Blue Flower Biennial | Britannica
    A summer-flowering plant native to Eurasia, woad is sometimes cultivated for its attractive flowers and has naturalized in parts of North America, where it is considered a noxious weed
  • Washington State Noxious Weed Control Board
    Dyers woad is a non-palatable, aggressive weed with allelopathic properties Originally cultivated as a source of Indigo dye, this species escaped cultivation and has a history of establishing across thousands of acres of western rangeland
  • Woad: Health Benefits, Detoxifying Properties, Key Ingredients, and . . .
    Woad, botanically known as Isatis tinctoria, is a hardy biennial or short-lived perennial plant belonging to the Brassicaceae (mustard) family It is native to Eurasia but now grows widely across temperate regions in Europe, Asia, and North America, both cultivated and as a wild plant
  • How to Grow and Care for Dyer’s Woad - Gardener’s Path
    But if you’re looking for a plant with a long history, useful leaves, and a tidy habit in the garden, woad fits the bill Woad grows one to three feet tall with a basal rosette of bluish green, hairy leaves and a single upright flower stalk that holds clusters of tiny yellow blossoms
  • Isatis tinctoria L. (Woad): A Review of Its Botany, Ethnobotanical Uses . . .
    Isatis tinctoria L (Brassicaceae), which is commonly known as woad, is a species with an ancient and well-documented history as an indigo dye and medicinal plant
  • WOAD Definition Meaning - Merriam-Webster
    The meaning of WOAD is a European herb (Isatis tinctoria) of the mustard family formerly grown for the blue dyestuff yielded by its leaves; also : this dyestuff
  • How To Grow Woad Plant In The Garden - Gardening Know How
    Woad (Isatis tinctoria) is an erect biennial that grows to between 1-3 feet (30-90 cm ), sometimes up to 4 feet (1 2 m ) in height Its leaves are bluish green overlaid with a powdery white fluff The leaves are narrow and lightly serrated to wavy
  • Dyers woad identification and control - King County
    Dyer’s woad is native to Europe, Asia, and northern Africa Dyer’s woad typically takes 2 years to mature, so plants will look different depending on which stage they are in Plants thrive best in rocky, well-drained soils that don’t hold a lot of water
  • Woad - Simple English Wikipedia, the free encyclopedia
    It is native to the Mediterranean, Central Asia, and Europe It was historically produced in England, France, and Germany in medieval times Eventually, the Indigo plant replaced woad as Europe's main cash crop that produces indigo dye [1] Woad also has medicinal properties, as an astringent





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