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Barbarea verna (Mill.) Asch.
WINTERCRESS
Early Wintercress; Barbarea praecox Sm WTAiton; Erysimum praecox Sm; Erysimum vernum Mill; American Winter-cress; Early yellowrocket

Life   Plantae   Dicotyledoneae   Brassicaceae   Barbarea

Barbarea verna, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Barbarea verna, whole plant - in flower - general view

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Barbarea verna, inflorescence - lateral view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Barbarea verna, inflorescence - lateral view of flower
Barbarea verna, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Barbarea verna, leaf - basal or on lower stem

Barbarea verna, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Barbarea verna, leaf - basal or on lower stem
Barbarea verna, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Barbarea verna, stem - showing leaf bases

Barbarea verna, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Barbarea verna, inflorescence - whole - unspecified
Barbarea verna, leaf - on upper stem
© Copyright Steve Baskauf, 2002-2011 · 4
Barbarea verna, leaf - on upper stem

Barbarea verna, fruit - juvenile
© Copyright Steve Baskauf, 2002-2011 · 4
Barbarea verna, fruit - juvenile
Barbarea verna, leaf - basal or on lower stem
© Copyright Steve Baskauf, 2002-2011 · 4
Barbarea verna, leaf - basal or on lower stem

Barbarea verna, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Barbarea verna, whole plant - in flower - general view
Barbarea verna, whole plant - in flower - general view
© Copyright Steve Baskauf, 2002-2011 · 4
Barbarea verna, whole plant - in flower - general view

Barbarea verna, inflorescence - lateral view of flower
© Copyright Steve Baskauf, 2002-2011 · 4
Barbarea verna, inflorescence - lateral view of flower
Barbarea verna, inflorescence - whole - unspecified
© Copyright Steve Baskauf, 2002-2011 · 4
Barbarea verna, inflorescence - whole - unspecified

Barbarea verna, fruit - as borne on the plant
© Copyright Steve Baskauf, 2002-2011 · 4
Barbarea verna, fruit - as borne on the plant
Barbarea verna, stem - showing leaf bases
© Copyright Steve Baskauf, 2002-2011 · 4
Barbarea verna, stem - showing leaf bases

Associates · map
FamilyScientific name @ source (records)
Mycosphaerellaceae  Cercospora barbareae @ BPI (1)
Peronosporaceae  Peronospora parasitica @ BPI (1)

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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Barbarea verna (P. Mill.) Aschers. Early Yellow-rocket
Brassicaceae — Mustard family
Non-native
Barbarea verna
Abbott's Mill
April 2003

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Photos copyright David G. Smith

Delaware Wildflowers main page

Following modified from Plants Database, United States Department of Agriculture
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http://plants.usda.gov/java/profile?symbol=BAVE ---> https://plants.usda.gov/java/profile?symbol=BAVE
&pull 20q v5.145 20180528: Error 500 Can't locate object method "new" via package "LWP::Protocol::https::Socket" https://plants.usda.gov/java/profile?symbol=BAVE

Following modified from Flora of North America
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FNA Vol. 7 Page 460, 461, 463 Login | eFloras Home | Help
FNA | Family List | FNA Vol. 7 | Brassicaceae | Barbarea

4. Barbarea verna (Miller) Ascherson, Fl. Brandenb. 1: 36. 1860.

Early winter or Belle Isle or American or land cress, scurvygrass

Erysimum vernum Miller, Gard. Dict. ed. 8, Erysimum no. 3. 1768; Barbarea praecox (Smith) R. Brown; Campe verna (Miller) A. Heller; E. praecox Smith

Biennials or, rarely, perennials; mostly glabrous, except blade auricles ciliate. Stems (1-)2.5-8 dm. Basal leaves: petiole (0.5-) 1-6(-8) cm; blade pinnatifid to pinnatisect, 1.5-11 cm, lobes (3-)6-10 on each side, lateral lobes oblong or ovate, 0.4-3 cm × 1-10 mm, not fleshy, margins entire, terminal lobe considerably larger than lateral ones, 1-5 cm × 10-350 mm. Cauline leaves: blade pinnatisect, lateral lobes 1-4, (oblong to lanceolate), margins often entire, rarely coarsely toothed; conspicuously auriculate, auricles ovate or narrowly oblong, (to 10 × 4 mm, margins entire). Fruiting pedicels divaricate to ascending, (2-)3-6(-7) mm, terete, stout (almost as broad as fruit). Flowers: sepals 3-5 × 0.7-1.5 mm, lateral pair slightly saccate basally, margins scarious; petals yellow or pale yellow, oblanceolate to spatulate, (5-)6-7(-8.5) × 1.5-3 mm, base cuneate, apex truncate or emarginate; filaments 3-5 mm; anthers 0.8-1.2 mm; ovules (34-)38-48(-52) per ovary; gynophore to 0.3 mm. Fruits erect to ascending, not appressed to rachis, torulose, subterete to slightly latiseptate, (4.5-)5.3-7(-8) cm × 1.5-2 mm; style stout, 0.2-1(-2) mm. Seeds dark brown, somewhat plump, oblong or quadrate, 1.8-2.5 × 1.4-1.6 mm. 2 n = 16.

Flowering Mar-Jul. Waste grounds, fields, limestone glades, rocky outcrops, fields, railroad embankments, disturbed sites, roadsides; 0-1600 m; introduced; B.C., Nfld. and Labr. (Nfld.); Ala., Alaska, Ark., Calif., Colo., Conn., Del., D.C., Ga., Ill., Ind., Ky., Maine, Md., Mass., Mich., Miss., Mo., N.J., N.Y., N.C., Ohio, Oreg., Pa., R.I., S.C., Tenn., Va., Wash., W.Va.; Europe; Asia; n, s Africa; introduced also in Mexico, South America (Argentina, Brazil, Chile), Australia.

Updated: 2020-09-21 10:33:23 gmt
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