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Isatis tinctoria L.
WOAD
Dyers woad

Life   Plantae   Dicotyledoneae   Brassicaceae   Isatis

Isatis tinctoria, seed
© Copyright Seeds USID 2015 · 1
Isatis tinctoria, seed

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Isatis tinctoria, seed
© Copyright Seeds USID 2015 · 1
Isatis tinctoria, seed
Isatis tinctoria, seed
© Copyright Seeds USID 2015 · 1
Isatis tinctoria, seed

Associates · map
FamilyScientific name @ source (records)
Andrenidae  Andrena prunorum @ BBSL (8)

Andrena vierecki @ BBSL (1)

Andrena ziziaeformis @ BBSL (1)
Aphididae  Lipaphis erysimi @ CSCA_TCN (4)
Apidae  Apis mellifera @ BBSL (3)

Ceratina nanula @ BBSL (1)

Nomada opacella @ BBSL (2)
Coccinellidae  Coccinella transversoguttata @ I_LB (1)
Halictidae  Halictus confusus @ BBSL (3)

Halictus farinosus @ BBSL (1)

Halictus ligatus @ BBSL (1)

Halictus rubicundus @ BBSL (1)

Halictus tripartitus @ BBSL (17)

Lasioglossum sisymbrii @ BBSL (1)
Megachilidae  Osmia brevis @ BBSL (1)
Mycosphaerellaceae  Septoria isatidis @ BPI (1)

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Following modified from Plants Database, United States Department of Agriculture
   Top | See original

http://plants.usda.gov/java/profile?symbol=ISTI ---> https://plants.usda.gov/java/profile?symbol=ISTI
&pull 20q v4.662 20091102: Error 501 Protocol scheme 'https' is not supported (LWP::Protocol::https not installed) https://plants.usda.gov/java/profile?symbol=ISTI

Following modified from Flora of North America
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Link to Flora of North America home
 
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FNA Vol. 7 Page 193, 566 , 568 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 7 | Brassicaceae | Isatis

1. Isatis tinctoria Linnaeus, Sp. Pl. 2: 670. 1753.

Dyers woad

Plants glaucous, usually glabrous, sometimes pubescent proximally. Stems (3-)4-10 (-15) dm. Basal leaves: petiole 0.5-5.5 cm; blade oblong or oblanceolate, (2.5-)5-15(-20) cm × (5-)15-35(-50) mm, base attenuate, margins entire, repand, or dentate, apex obtuse. Cauline leaves : blade usually oblong or lanceolate, rarely linear-oblong, base sagittate or auriculate, apex acute. Fruiting pedicels 5-10 mm. Flowers: sepals 1.5-2.8 × 1-1.5 mm, glabrous; petals 2.5-4 × 0.9-1.5 mm, base attenuate; filaments 1-2.5 mm; anthers 0.5-0.7 mm. Fruits black or dark brown, often broader distal to middle, (0.9-)1.1-2(-2.7) cm × 3-6(-10) mm, base cuneate, margins sometimes slightly constricted, apex usually subacute or rounded, rarely subemarginate; locule with distinct midvein, lateral veins inconspicuous, 3-6(-10) mm; apical wing 3.5-5(-7) mm wide. Seeds light brown, 2.3-3.5(-4.5) × 0.8-1 mm. 2 n = 14, 28.

Flowering Apr-Jun. Roadsides, fields, pastures, sagebrush hillsides, prairies, railroad embankments, waste places; 300-2200 m; introduced; B.C., Nfld. and Labr. (Nfld.), Ont., Que.; Calif., Idaho, Ill., Mo., Mont., Nev., N.Mex., N.Y., Oreg., Utah, Va., Wash., W.Va., Wyo.; Europe; c, sw Asia; n Africa; introduced also in South America (Chile, Peru).

Isatis tinctoria has been cultivated since ancient times as a source of a blue dye (woad) obtained by fermenting the ground leaves and proximal portions of the plant.

Following modified from CalPhotos
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CalPhotos     Photo Database

 

Number of matches : 50
Query: SELECT * FROM img WHERE ready=1 and taxon like "Isatis tinctoria%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 0175 3301 2284 0084 [detail]
© 2001 CDFA

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 6040 1631 1336 0087 [detail]
© 1995 Saint Mary's College of California

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 0175 3301 2284 0083 [detail]
© 2001 CDFA

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 6040 1631 1336 0089 [detail]
© 1995 Saint Mary's College of California

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 0175 3301 2284 0086 [detail]
© 2001 CDFA

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 0175 3301 3807 0060 [detail]
© 2001 CDFA

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 0175 3301 3807 0061 [detail]
© 2001 CDFA

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 6040 1631 1336 0088 [detail]
© 1995 Saint Mary's College of California

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 0175 3301 2284 0081 [detail]
© 2001 CDFA

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 0175 3301 2284 0085 [detail]
© 2001 CDFA

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 0175 3301 3807 0056 [detail]
© 2001 CDFA

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 0175 3301 2284 0080 [detail]
© 2001 CDFA

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 6040 1631 1336 0086 [detail]
© 1995 Saint Mary's College of California

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 0175 3301 2284 0082 [detail]
© 2001 CDFA

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 6040 1631 1336 0085 [detail]
© 1995 Saint Mary's College of California

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 0175 3301 3807 0058 [detail]
© 2001 CDFA

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 0175 3301 3807 0062 [detail]
© 2001 CDFA

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 0175 3301 3807 0057 [detail]
© 2001 CDFA

Isatis tinctoria
Isatis tinctoria
Dyer's Woad
ID: 0175 3301 3807 0059 [detail]
© 2001 CDFA

Isatis tinctoria
Isatis tinctoria
Dyer's Woad, Dyers Woad
ID: 0000 0000 0405 1883 [detail]
© 2005 Luigi Rignanese

Isatis tinctoria
Isatis tinctoria
Dyer's Woad, Dyers Woad
ID: 0000 0000 0405 1884 [detail]
© 2005 Luigi Rignanese

Isatis tinctoria
Isatis tinctoria
Dyer's Woad, Dyers Woad
ID: 0000 0000 0505 1902 [detail]
© 2005 Luigi Rignanese

Isatis tinctoria
Isatis tinctoria
Dyer's Woad, Dyers Woad
ID: 0000 0000 0605 0090 [detail]
© 2005 Luigi Rignanese

Isatis tinctoria
Isatis tinctoria
Dyer's Woad, Dyers Woad
ID: 0000 0000 0605 0091 [detail]
© 2005 Luigi Rignanese

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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