View source for Isatis

{{Treatment/ID
|accepted_name=Isatis
|accepted_authority=Linnaeus
|publications={{Treatment/Publication
|title=Sp. Pl.
|place=2: 670. 1753
|year=1753
}}, {{Treatment/Publication
|title=Gen. Pl. ed.
|place=5, 301. 1754
|year=1754
}}
|common_names=Woad
|basionyms=
|synonyms=
|hierarchy=Brassicaceae;Brassicaceae tribe Isatideae;Isatis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Brassicaceae]]</div><div class="higher-taxon"><small>tribe</small>[[Brassicaceae tribe Isatideae]]</div><div class="higher-taxon"><small>genus</small>[[Isatis]]</div></div>
|etymology=Greek isatis, name used for a dye plant, most likely woad
|volume=Volume 7
|mention_page=page 230, 239, 244
|treatment_page=page 567
}}<!--

--><span class="statement" id="st-d0_s0" data-properties=""><b>Biennials </b>[annuals, perennials];</span> <span class="statement" id="st-d0_s1" data-properties="">not scapose;</span> <span class="statement" id="st-d0_s2" data-properties="whole-organism architecture;whole-organism pubescence;whole-organism pubescence;whole-organism duration">(often glaucous), glabrous or pubescent.</span> <span class="statement" id="st-d0_s3" data-properties="stem orientation;stem architecture;stem architecture"><b>Stems </b>erect, often unbranched basally, paniculately branched distally.</span> <span class="statement" id="st-d0_s4" data-properties=""><b>Leaves </b>basal and cauline;</span> <span class="statement" id="st-d0_s5" data-properties="leaf position;leaf position;leaf architecture;leaf architecture">petiolate or sessile;</span> <span class="statement" id="st-d0_s6" data-properties="basal leaf arrangement;basal leaf architecture;blade margin shape;blade margin shape;blade margin shape;blade margin shape;blade margin shape">basal rosulate [or not rosulate], petiolate [rarely sessile], blade margins entire, repand, or dentate [rarely pinnately lobed];</span> <span class="statement" id="st-d0_s7" data-properties="margin architecture or shape">cauline blade (base auriculate, sagittate, [or amplexicaul, rarely attenuate]), margins entire [dentate].</span> <span class="statement" id="st-d0_s8" data-properties=""><b>Racemes </b>(corymbose, in panicles, several-flowered), considerably elongated in fruit.</span> <span class="statement" id="st-d0_s9" data-properties="raceme length;raceme orientation;raceme size"><b>Fruiting </b>pedicels reflexed, slender, (filiform, often thickened and clavate apically).</span> <span class="statement" id="st-d0_s10" data-properties="sepal orientation;sepal orientation;sepal shape"><b>Flowers:</b> sepals erect or ascending, oblong [ovate];</span> <span class="statement" id="st-d0_s11" data-properties="petal shape;claw presence">petals oblanceolate [obovate, spatulate, or oblong], (equal to or longer than sepals), claw absent, (apex obtuse [subemarginate]);</span> <span class="statement" id="st-d0_s12" data-properties="stamen architecture">stamens slightly tetradynamous;</span> <span class="statement" id="st-d0_s13" data-properties="filament shape">filaments not dilated basally;</span> <span class="statement" id="st-d0_s14" data-properties="anther shape">anthers oblong [ovate], (apex obtuse or apiculate);</span> <span class="statement" id="st-d0_s15" data-properties="nectar gland atypical quantity;nectar gland arrangement;nectar gland atypical quantity;nectar gland position;nectar gland position">nectar glands (6) confluent, or (4) lateral and median.</span> <span class="statement" id="st-d0_s16" data-properties="fruit architecture;fruit shape;fruit shape;fruit shape;fruit shape;fruit shape;fruit shape;fruit architecture;fruit architecture or pubescence or relief;fruit shape;fruit pubescence;fruit pubescence;silique architecture;silique shape;silique shape;silique shape;silique shape;silique shape;silique shape;silique architecture;silique architecture or pubescence or relief;silique shape;silique pubescence;silique pubescence;silicle architecture;silicle shape;silicle shape;silicle shape;silicle shape;silicle shape;silicle shape;silicle architecture;silicle architecture or pubescence or relief;silicle shape;silicle pubescence;silicle pubescence"><b>Fruits </b>siliques or silicles (samaroid), sessile, oblong, oblanceolate, elliptic, or obovate [ovate, cordate, spatulate, orbicular], 1- (or 2-) seeded, smooth, strongly angustiseptate, (prominently winged all around or distally; seed-bearing locule papery or corky, distinctly or obscurely 1–3-veined, sometimes keeled or shortly winged), glabrous or pubescent;</span> <span class="statement" id="st-d0_s17" data-properties="valve fusion;replum fusion">valves and replum united;</span> <span class="statement" id="st-d0_s18" data-properties="septum presence">septum absent;</span> <span class="statement" id="st-d0_s19" data-properties="ovule quantity">ovules 1 (or 2) per ovary, (subapical);</span> <span class="statement" id="st-d0_s20" data-properties="stigma architecture or shape">stigma capitate.</span> <span class="statement" id="st-d0_s21" data-properties="seed size;seed architecture;seed shape"><b>Seeds </b>plump, not winged, narrowly oblong;</span> <span class="statement" id="st-d0_s22" data-properties="seed-coat coating">seed-coat (smooth), not mucilaginous when wetted;</span> <span class="statement" id="st-d0_s23" data-properties="cotyledon arrangement;cotyledon arrangement">cotyledons incumbent or accumbent.</span><!--

-->{{Treatment/Body
|distribution=Europe;c;sw Asia;n Africa; also in South America (Chile); also in South America (Peru)
|introduced=true
|discussion=<p>Species 50 (1 in the flora).</p>
|tables=
|references=
}}<!--

--><!--

-->{{#Taxon:
name=Isatis
|author=Ihsan A. Al-Shehbaz
|authority=Linnaeus
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Brassicaceae
|illustrator=Barbara Alongi
|illustration copyright=Flora of North America Association
|distribution=Europe;c;sw Asia;n Africa; also in South America (Chile); also in South America (Peru)
|introduced=true
|reference=None
|publication title=Sp. Pl.;Gen. Pl. ed.
|publication year=1753;1754
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V7/V7_917.xml
|tribe=Brassicaceae tribe Isatideae
|genus=Isatis
|anther shape=oblong
|basal leaf architecture=petiolate
|basal leaf arrangement=rosulate
|blade margin shape=dentate;repand;dentate;repand;entire
|claw presence=absent
|cotyledon arrangement=accumbent;incumbent
|filament shape=dilated
|fruit architecture=1-seeded;sessile
|fruit architecture or pubescence or relief=smooth
|fruit pubescence=pubescent;glabrous
|fruit shape=angustiseptate;obovate;elliptic;obovate;elliptic;oblanceolate;oblong
|leaf architecture=sessile;petiolate
|leaf position=cauline;basal
|margin architecture or shape=entire
|nectar gland arrangement=confluent
|nectar gland atypical quantity=4;6
|nectar gland position=median;lateral
|ovule quantity=1
|petal shape=oblanceolate
|raceme length=elongated
|raceme orientation=reflexed
|raceme size=slender
|replum fusion=united
|seed architecture=not winged
|seed shape=oblong
|seed size=plump
|seed-coat coating=mucilaginous
|sepal orientation=ascending;erect
|sepal shape=oblong
|septum presence=absent
|silicle architecture=1-seeded;sessile
|silicle architecture or pubescence or relief=smooth
|silicle pubescence=pubescent;glabrous
|silicle shape=angustiseptate;obovate;elliptic;obovate;elliptic;oblanceolate;oblong
|silique architecture=1-seeded;sessile
|silique architecture or pubescence or relief=smooth
|silique pubescence=pubescent;glabrous
|silique shape=angustiseptate;obovate;elliptic;obovate;elliptic;oblanceolate;oblong
|stamen architecture=tetradynamous
|stem architecture=branched;unbranched
|stem orientation=erect
|stigma architecture or shape=capitate
|valve fusion=united
|whole-organism architecture=not scapose
|whole-organism duration=biennial
|whole-organism pubescence=pubescent;glabrous
}}<!--

-->[[Category:Treatment]][[Category:Brassicaceae tribe Isatideae]]